feat: add message reactions + interactions object

feat: add `joined_at` property to members
feat: add `timeout` property to members (non-functional)

.dockerignore

@@ -1,3 +1,4 @@
+Dockerfile
 target
 .mongo
 .env

.env

@@ -0,0 +1,79 @@
+# MongoDB URI
+MONGODB=mongodb://localhost
+
+# URL to where the Revolt app is publicly accessible
+REVOLT_APP_URL=http://local.revolt.chat:5000
+
+# URL to where the API is publicly accessible
+REVOLT_PUBLIC_URL=http://local.revolt.chat:8000
+VITE_API_URL=http://local.revolt.chat:8000
+
+# URL to where the WebSocket server is publicly accessible
+REVOLT_EXTERNAL_WS_URL=ws://local.revolt.chat:9000
+
+# URL to where Autumn is publicly available
+AUTUMN_PUBLIC_URL=http://local.revolt.chat:3000
+
+# URL to where January is publicly available
+JANUARY_PUBLIC_URL=http://local.revolt.chat:7000
+
+# URL to where Vortex is publicly available
+# VOSO_PUBLIC_URL=https://voso.revolt.chat
+
+
+##
+## hCaptcha Settings
+##
+
+# If you are sure that you don't want to use hCaptcha, set to 1.
+REVOLT_UNSAFE_NO_CAPTCHA=1
+
+# hCaptcha API key
+# REVOLT_HCAPTCHA_KEY=0x0000000000000000000000000000000000000000
+
+# hCaptcha site key
+# REVOLT_HCAPTCHA_SITEKEY=10000000-ffff-ffff-ffff-000000000001
+
+
+##
+## Email Settings
+##
+
+# If you are sure that you don't want to use email verification, set to 1.
+REVOLT_UNSAFE_NO_EMAIL=1
+
+# SMTP host
+# REVOLT_SMTP_HOST=smtp.example.com
+
+# SMTP username
+# REVOLT_SMTP_USERNAME=noreply@example.com
+
+# SMTP password
+# REVOLT_SMTP_PASSWORD=CHANGEME
+
+# SMTP From header
+# REVOLT_SMTP_FROM=Revolt <noreply@example.com>
+
+
+##
+## Application Settings
+##
+
+# Whether to only allow users to sign up if they have an invite code
+REVOLT_INVITE_ONLY=0
+
+# Maximum number of people that can be in a group chat
+REVOLT_MAX_GROUP_SIZE=150
+
+# VAPID keys for push notifications
+# Generate using this guide: https://gitlab.insrt.uk/revolt/delta/-/wikis/vapid
+# --> Please replace these keys before going into production! <--
+REVOLT_VAPID_PRIVATE_KEY=LS0tLS1CRUdJTiBFQyBQUklWQVRFIEtFWS0tLS0tCk1IY0NBUUVFSUJSUWpyTWxLRnBiVWhsUHpUbERvcEliYk1yeVNrNXpKYzVYVzIxSjJDS3hvQW9HQ0NxR1NNNDkKQXdFSG9VUURRZ0FFWnkrQkg2TGJQZ2hEa3pEempXOG0rUXVPM3pCajRXT1phdkR6ZU00c0pqbmFwd1psTFE0WAp1ZDh2TzVodU94QWhMQlU3WWRldVovWHlBdFpWZmNyQi9BPT0KLS0tLS1FTkQgRUMgUFJJVkFURSBLRVktLS0tLQo=
+REVOLT_VAPID_PUBLIC_KEY=BGcvgR-i2z4IQ5Mw841vJvkLjt8wY-FjmWrw83jOLCY52qcGZS0OF7nfLzuYbjsQISwVO2HXrmf18gLWVX3Kwfw=
+
+
+##
+## Vortex configuration
+##
+
+# VOSO_MANAGE_TOKEN=CHANGEME

.github/workflows/cla.yml

@@ -0,0 +1,36 @@
+name: "CLA Assistant"
+on:
+  issue_comment:
+    types: [created]
+  pull_request_target:
+    types: [opened,closed,synchronize]
+
+jobs:
+  CLAssistant:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "CLA Assistant"
+        if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
+        # Beta Release
+        uses: cla-assistant/github-action@v2.1.3-beta
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # the below token should have repo scope and must be manually added by you in the repository's secret
+          PERSONAL_ACCESS_TOKEN : ${{ secrets.PAT }}
+        with:
+          path-to-signatures: 'signatures/version1/cla.json'
+          path-to-document: 'https://github.com/revoltchat/cla/blob/master/CLA.md' # e.g. a CLA or a DCO document
+          # branch should not be protected
+          branch: 'master'
+          allowlist: insertish,bot*
+
+         #below are the optional inputs - If the optional inputs are not given, then default values will be taken
+          remote-organization-name: revoltchat
+          remote-repository-name: cla
+          create-file-commit-message: 'cla(create): creating file for storing CLA Signatures'
+          signed-commit-message: 'cla(sign): $contributorName has signed the CLA in #$pullRequestNo'
+          #custom-notsigned-prcomment: 'pull request comment with Introductory message to ask new contributors to sign'
+          #custom-pr-sign-comment: 'The signature to be committed in order to sign the CLA'
+          #custom-allsigned-prcomment: 'pull request comment when all contributors has signed, defaults to **CLA Assistant Lite bot** All Contributors have signed the CLA.'
+          #lock-pullrequest-aftermerge: false - if you don't want this bot to automatically lock the pull request after merging (default - true)
+          #use-dco-flag: true - If you are using DCO instead of CLA

.github/workflows/docker.yaml

@@ -0,0 +1,116 @@
+name: Docker Test & Publish
+
+on:
+  push:
+    branches:
+      - "master"
+    tags:
+      - "*"
+    paths-ignore:
+      - ".github/**"
+      - "!.github/workflows/docker.yml"
+      - ".vscode/**"
+      - ".gitignore"
+      - "LICENSE"
+      - "README"
+  pull_request:
+    branches:
+      - "master"
+    paths:
+      - "Dockerfile"
+  workflow_dispatch:
+
+jobs:
+  base:
+    runs-on: ubuntu-latest
+    name: Build base image (amd64)
+    steps:
+      # Configure build environment
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      # Authenticate with GHCR
+      - name: Login to Github Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Build all projects and cache
+      - name: Build Base Image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          tags: ghcr.io/revoltchat/base:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  publish_amd64:
+    needs: [base]
+    runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request'
+    strategy:
+      matrix:
+        project: [delta, bonfire]
+    name: Build ${{ matrix.project }} image (amd64)
+    steps:
+      # Configure build environment
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      # Authenticate with Docker Hub and GHCR
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Login to Github Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Resolve the correct project
+      - uses: kanga333/variable-mapper@master
+        id: export
+        with:
+          key: "${{ matrix.project }}"
+          map: |
+            {
+              "delta": {
+                "path": "crates/delta",
+                "tag": "revoltchat/server"
+              },
+              "bonfire": {
+                "path": "crates/bonfire",
+                "tag": "revoltchat/bonfire"
+              }
+            }
+          export_to: output
+
+      # Configure metadata
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ steps.export.outputs.tag }}, ghcr.io/${{ steps.export.outputs.tag }}
+
+      # Build crate image
+      - name: Publish
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64
+          file: ${{ steps.export.outputs.path }}/Dockerfile
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

.gitignore

@@ -1,2 +1,3 @@
 Rocket.toml
 target
+.data

Cargo.toml

@@ -1,2 +1,2 @@
 [workspace]
-members = ["crates/bonfire", "crates/delta", "crates/quark", "crates/revcord/*"]
+members = ["crates/*"]

Dockerfile

@@ -0,0 +1,12 @@
+# Build Stage
+FROM rustlang/rust:nightly-slim AS builder
+USER 0:0
+WORKDIR /home/rust/src
+
+# Install build requirements
+RUN apt-get update && apt-get install -y libssl-dev pkg-config
+
+# Build all crates
+COPY Cargo.toml Cargo.lock ./
+COPY crates ./crates
+RUN cargo build --locked --release

README.md

@@ -2,14 +2,14 @@
 
 This is a monorepo for the Revolt backend.
 
-| Crate            | Description                          |
-| ---------------- | ------------------------------------ |
-| `delta`          | REST API server                      |
-| `bonfire`        | WebSocket events server              |
-| `quark`          | Models and logic                     |
-| `revcord/api`    | Discord REST translation layer       |
-| `revcord/ws`     | Discord gateway translation layer    |
-| `revcord/models` | Discord models and quark translation |
+| Crate            | Path                                           | Description                          |
+| ---------------- | ---------------------------------------------- | ------------------------------------ |
+| `delta`          | [crates/delta](crates/delta)                   | REST API server                      |
+| `bonfire`        | [crates/bonfire](crates/bonfire)               | WebSocket events server              |
+| `quark`          | [crates/quark](crates/quark)                   | Models and logic                     |
+<!--| `revcord/api`    | [crates/revcord/api](crates/revcord/api)       | Discord REST translation layer       |
+| `revcord/ws`     | [crates/revcord/ws](crates/revcord/ws)         | Discord gateway translation layer    |
+| `revcord/models` | [crates/revcord/models](crates/revcord/models) | Discord models and quark translation |-->
 
 Note: `january`, `autumn`, and `vortex` are yet to be moved into this monorepo.
 

build.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+# Build base image
+docker build -t revolt.chat/base:latest -f Dockerfile .
+
+# Build crates
+docker build -t revolt.chat/delta:latest -f crates/delta/Dockerfile .
+docker build -t revolt.chat/bonfire:latest -f crates/bonfire/Dockerfile .

crates/bonfire/Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "revolt-bonfire"
-version = "1.0.6-patch.2"
+version = "0.5.5"
+license = "AGPL-3.0-or-later"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

crates/bonfire/Dockerfile

@@ -1,19 +1,10 @@
 # Build Stage
-FROM rustlang/rust:nightly-slim AS builder
-USER 0:0
-WORKDIR /home/rust/src
-
-RUN USER=root cargo new --bin bonfire
-WORKDIR /home/rust/src/bonfire
-RUN apt-get update && apt-get install -y libssl-dev pkg-config
-
-COPY Cargo.toml Cargo.lock ./
-COPY src ./src
-RUN cargo install --locked --path .
+FROM ghcr.io/revoltchat/base:latest AS builder
+RUN cargo install --locked --path crates/bonfire
 
 # Bundle Stage
 FROM debian:buster-slim
 RUN apt-get update && apt-get install -y ca-certificates
-COPY --from=builder /usr/local/cargo/bin/bonfire ./
+COPY --from=builder /usr/local/cargo/bin/revolt-bonfire ./
 EXPOSE 9000
-CMD ["./bonfire"]
+CMD ["./revolt-bonfire"]

crates/bonfire/LICENSE

@@ -1,661 +0,0 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
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-software and other kinds of works, specifically designed to ensure
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-  The GNU Affero General Public License is designed specifically to
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crates/bonfire/LICENSE

@@ -0,0 +1 @@
+../../LICENSE

crates/bonfire/src/main.rs

@@ -14,7 +14,7 @@ mod websocket;
 #[async_std::main]
 async fn main() {
     // Configure requirements for Bonfire.
-    let _guard = revolt_quark::setup_logging();
+    revolt_quark::configure!();
     database::connect().await;
 
     // Clean up the current region information.

crates/delta/Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "revolt-delta"
-version = "0.5.3-5-patch.2"
+version = "0.5.5"
+license = "AGPL-3.0-or-later"
 authors = ["Paul Makles <paulmakles@gmail.com>"]
 edition = "2018"
 
@@ -17,7 +18,6 @@ linkify = "0.6.0"
 once_cell = "1.4.1"
 env_logger = "0.7.1"
 lazy_static = "1.4.0"
-ctrlc = { version = "3.0", features = ["termination"] }
 
 # Lang. Utilities
 regex = "1"
@@ -43,7 +43,6 @@ async-std = { version = "1.8.0", features = ["tokio1", "tokio02", "attributes"]
 
 # internal util
 lettre = "0.10.0-alpha.4"
-rauth = { git = "https://github.com/insertish/rauth", rev = "001a9698c56cea79e69e4ae71d7bc2cb48aec1a6" }
 
 # redis
 redis = { version = "0.21.2", features = ["async-std-comp"] }
@@ -51,14 +50,14 @@ mobc = { version = "0.7.3" }
 mobc-redis = { version = "0.7.0", default-features = false, features = ["async-std-comp"] }
 
 # web
-rocket = { version = "0.5.0-rc.1", default-features = false, features = ["json"] }
-mongodb = { version = "1.2.2", features = ["async-std-runtime"], default-features = false }
-rocket_cors = { git = "https://github.com/lawliet89/rocket_cors", rev = "5843861a88958c16bfaa0b40f0d8910772bcd2f6" }
+rocket = { version = "0.5.0-rc.2", default-features = false, features = ["json"] }
+rocket_empty = { git = "https://github.com/insertish/rocket_empty", branch = "master" }
+rocket_rauth = { git = "https://github.com/insertish/rauth", rev = "9c3f9bb58a549a51546bd748274130ac4a667cb4" }
 
 # spec generation
 schemars = "0.8.8"
 # rocket_okapi = "0.8.0-rc.1"
-rocket_okapi = { git = "https://github.com/insertish/okapi", rev = "dcf0df115596ee07a587a7a543cddf3d7944645b", features = [ "swagger" ] }
+rocket_okapi = { git = "https://github.com/insertish/okapi", rev = "a1048d0c8cd771e424ec97d33d825c32e06aa120", features = [ "swagger" ] }
 
 # quark
 revolt-quark = { path = "../quark" }

crates/delta/Dockerfile

@@ -1,23 +1,13 @@
 # Build Stage
-FROM rustlang/rust:nightly-slim AS builder
-USER 0:0
-WORKDIR /home/rust/src
-
-RUN USER=root cargo new --bin revolt
-WORKDIR /home/rust/src/revolt
-RUN apt-get update && apt-get install -y libssl-dev pkg-config
-
-COPY Cargo.toml Cargo.lock ./
-COPY assets ./assets
-COPY src ./src
-RUN cargo install --locked --path .
+FROM ghcr.io/revoltchat/base:latest AS builder
+RUN cargo install --locked --path crates/delta
 
 # Bundle Stage
 FROM debian:buster-slim
 RUN apt-get update && apt-get install -y ca-certificates
-COPY --from=builder /usr/local/cargo/bin/revolt ./
+COPY --from=builder /usr/local/cargo/bin/revolt-delta ./
 
 EXPOSE 8000
 ENV ROCKET_ADDRESS 0.0.0.0
 ENV ROCKET_PORT 8000
-CMD ["./revolt"]
+CMD ["./revolt-delta"]

crates/delta/LICENSE

@@ -1,661 +0,0 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
-
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- Everyone is permitted to copy and distribute verbatim copies
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-
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-to attach them to the start of each source file to most effectively
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-    Revolt Delta
-    Copyright (C) 2022 Pawel Makles
-
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-    it under the terms of the GNU Affero General Public License as published
-    by the Free Software Foundation, either version 3 of the License, or
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-
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-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU AGPL, see
-<https://www.gnu.org/licenses/>.

crates/delta/LICENSE

@@ -0,0 +1 @@
+../../LICENSE

crates/delta/src/main.rs

@@ -6,144 +6,46 @@ extern crate rocket_okapi;
 extern crate serde_json;
 #[macro_use]
 extern crate lazy_static;
-extern crate ctrlc;
 
 pub mod routes;
 pub mod util;
-pub mod version;
 
-use log::info;
-use rauth::{
-    config::{Captcha, Config, EmailVerification, SMTPSettings, Template, Templates},
-    logic::Auth,
-};
-use revolt_quark::variables::delta::{
-    APP_URL, HCAPTCHA_KEY, INVITE_ONLY, SMTP_FROM, SMTP_HOST, SMTP_PASSWORD, SMTP_USERNAME,
-    USE_EMAIL, USE_HCAPTCHA,
-};
+use revolt_quark::rauth::RAuth;
 use revolt_quark::DatabaseInfo;
-use rocket_cors::AllowedOrigins;
-use std::str::FromStr;
 
-#[async_std::main]
-async fn main() {
-    let _guard = revolt_quark::setup_logging();
-
-    info!(
-        "Starting Revolt server [version {}].",
-        crate::version::VERSION
-    );
+#[launch]
+async fn rocket() -> _ {
+    // Configure logging and environment
+    revolt_quark::configure!();
 
+    // Ensure environment variables are present
     revolt_quark::variables::delta::preflight_checks();
 
-    #[cfg(debug_assertions)]
-    ctrlc::set_handler(move || {
-        // Force ungraceful exit to avoid hang.
-        std::process::exit(0);
-    })
-    .expect("Error setting Ctrl-C handler");
-
-    let cors = rocket_cors::CorsOptions {
-        allowed_origins: AllowedOrigins::All,
-        allowed_methods: [
-            "Get", "Put", "Post", "Delete", "Options", "Head", "Trace", "Connect", "Patch",
-        ]
-        .iter()
-        .map(|s| FromStr::from_str(s).unwrap())
-        .collect(),
-        ..Default::default()
-    }
-    .to_cors()
-    .expect("Failed to create CORS.");
-
-    let mut config = Config {
-        email_verification: if *USE_EMAIL {
-            EmailVerification::Enabled {
-                smtp: SMTPSettings {
-                    from: (*SMTP_FROM).to_string(),
-                    host: (*SMTP_HOST).to_string(),
-                    username: (*SMTP_USERNAME).to_string(),
-                    password: (*SMTP_PASSWORD).to_string(),
-                    reply_to: Some("support@revolt.chat".into()),
-                    port: None,
-                    use_tls: None,
-                },
-                expiry: Default::default(),
-                templates: Templates {
-                    verify: Template {
-                        title: "Verify your Revolt account.".into(),
-                        text: include_str!(crate::asset!("templates/verify.txt")).into(),
-                        url: format!("{}/login/verify/", *APP_URL),
-                        html: None,
-                    },
-                    reset: Template {
-                        title: "Reset your Revolt password.".into(),
-                        text: include_str!(crate::asset!("templates/reset.txt")).into(),
-                        url: format!("{}/login/reset/", *APP_URL),
-                        html: None,
-                    },
-                    welcome: None,
-                },
-            }
-        } else {
-            EmailVerification::Disabled
-        },
-        ..Default::default()
-    };
-
-    if *INVITE_ONLY {
-        config.invite_only = true;
-    }
-
-    if *USE_HCAPTCHA {
-        config.captcha = Captcha::HCaptcha {
-            secret: HCAPTCHA_KEY.clone(),
-        };
-    }
-
+    // Setup database
     let db = DatabaseInfo::Auto.connect().await.unwrap();
     db.migrate_database().await.unwrap();
 
-    // This is entirely temporary code until rauth is migrated to quark.
-    // (and / or otherwise gets updated to MongoDB v2 driver)
-    let mongo_db = mongodb::Client::with_uri_str(
-        &std::env::var("MONGODB").unwrap_or_else(|_| "mongodb://localhost".to_string()),
-    )
-    .await
-    .expect("Failed to init db connection.");
-
-    rauth::entities::sync_models(&mongo_db.database("revolt")).await;
+    // Setup rAuth
+    let rauth = RAuth {
+        database: db.clone().into(),
+        config: revolt_quark::util::rauth::config(),
+    };
 
     // Launch background task workers.
     async_std::task::spawn(revolt_quark::tasks::start_workers(db.clone()));
 
-    let auth = Auth::new(mongo_db.database("revolt"), config);
+    // Configure CORS
+    let cors = revolt_quark::web::cors::new();
+
+    // Configure Rocket
     let rocket = rocket::build();
     routes::mount(rocket)
-        .mount("/", rocket_cors::catch_all_options_routes())
-        .mount("/", util::ratelimiter::routes())
-        .mount(
-            "/swagger/",
-            rocket_okapi::swagger_ui::make_swagger_ui(&rocket_okapi::swagger_ui::SwaggerUIConfig {
-                url: "../openapi.json".to_owned(),
-                ..Default::default()
-            }),
-        )
-        .manage(auth)
+        .mount("/", revolt_quark::web::cors::catch_all_options_routes())
+        .mount("/", revolt_quark::web::ratelimiter::routes())
+        .mount("/swagger/", revolt_quark::web::swagger::routes())
+        .manage(rauth)
         .manage(db)
         .manage(cors.clone())
-        .attach(util::ratelimiter::RatelimitFairing)
+        .attach(revolt_quark::web::ratelimiter::RatelimitFairing)
         .attach(cors)
-        .launch()
-        .await
-        .unwrap();
 }
-
-/// Resolve asset
-macro_rules! asset {
-    ($path:literal) => {
-        concat!(env!("CARGO_MANIFEST_DIR"), "/assets/", $path)
-    };
-}
-
-pub(crate) use asset;

crates/delta/src/routes/channels/channel_edit.rs

@@ -16,19 +16,18 @@ use validator::Validate;
 pub struct DataEditChannel {
     /// Channel name
     #[validate(length(min = 1, max = 32))]
-    #[serde(skip_serializing_if = "Option::is_none")]
     name: Option<String>,
     /// Channel description
     #[validate(length(min = 0, max = 1024))]
-    #[serde(skip_serializing_if = "Option::is_none")]
     description: Option<String>,
+    /// Group owner
+    owner: Option<String>,
     /// Icon
     ///
     /// Provide an Autumn attachment Id.
     #[validate(length(min = 1, max = 128))]
     icon: Option<String>,
     /// Whether this channel is age-restricted
-    #[serde(skip_serializing_if = "Option::is_none")]
     nsfw: Option<bool>,
     #[validate(length(min = 1))]
     remove: Option<Vec<FieldsChannel>>,
@@ -59,12 +58,47 @@ pub async fn req(
         && data.description.is_none()
         && data.icon.is_none()
         && data.nsfw.is_none()
+        && data.owner.is_none()
         && data.remove.is_none()
     {
         return Ok(Json(channel));
     }
 
     let mut partial: PartialChannel = Default::default();
+
+    // Transfer group ownership
+    if let Some(new_owner) = data.owner {
+        if let Channel::Group {
+            owner, recipients, ..
+        } = &mut channel
+        {
+            // Make sure we are the owner of this group
+            if owner != &user.id {
+                return Err(Error::NotOwner);
+            }
+
+            // Ensure user is part of group
+            if !recipients.contains(&new_owner) {
+                return Err(Error::NotInGroup);
+            }
+
+            // Transfer ownership
+            *owner = new_owner.to_string();
+
+            // Notify clients
+            SystemMessage::ChannelOwnershipChanged {
+                from: owner.to_string(),
+                to: new_owner,
+            }
+        } else {
+            return Err(Error::InvalidOperation);
+        }
+        .into_message(channel.id().to_string())
+        .create(db, &channel, None)
+        .await
+        .ok();
+    }
+
     match &mut channel {
         Channel::Group {
             id,

crates/delta/src/routes/channels/message_clear_reactions.rs

@@ -0,0 +1,34 @@
+use revolt_quark::{
+    models::{message::PartialMessage, User},
+    perms, Db, EmptyResponse, Permission, Ref, Result,
+};
+
+/// # Remove All Reactions from Message
+///
+/// Remove your own, someone else's or all of a given reaction.
+///
+/// Requires `ManageMessages` permission.
+#[openapi(tag = "Interactions")]
+#[delete("/<target>/messages/<msg>/reactions")]
+pub async fn clear_reactions(db: &Db, user: User, target: Ref, msg: Ref) -> Result<EmptyResponse> {
+    let channel = target.as_channel(db).await?;
+    perms(&user)
+        .channel(&channel)
+        .throw_permission_and_view_channel(db, Permission::ManageMessages)
+        .await?;
+
+    // Fetch relevant message
+    let mut message = msg.as_message_in(db, channel.id()).await?;
+
+    // Clear reactions
+    message
+        .update(
+            db,
+            PartialMessage {
+                reactions: Some(Default::default()),
+                ..Default::default()
+            },
+        )
+        .await
+        .map(|_| EmptyResponse)
+}

crates/delta/src/routes/channels/message_edit.rs

@@ -36,6 +36,8 @@ pub async fn req(
     edit.validate()
         .map_err(|error| Error::FailedValidation { error })?;
 
+    Message::validate_sum(&edit.content, &edit.embeds)?;
+
     let mut message = msg.as_message(db).await?;
     if message.channel != target {
         return Err(Error::NotFound);

crates/delta/src/routes/channels/message_react.rs

@@ -0,0 +1,29 @@
+use revolt_quark::{models::User, perms, Db, EmptyResponse, Permission, Ref, Result};
+
+/// # Add Reaction to Message
+///
+/// React to a given message.
+#[openapi(tag = "Interactions")]
+#[put("/<target>/messages/<msg>/reactions/<emoji>")]
+pub async fn react_message(
+    db: &Db,
+    user: User,
+    target: Ref,
+    msg: Ref,
+    emoji: Ref,
+) -> Result<EmptyResponse> {
+    let channel = target.as_channel(db).await?;
+    perms(&user)
+        .channel(&channel)
+        .throw_permission_and_view_channel(db, Permission::React)
+        .await?;
+
+    // Fetch relevant message
+    let message = msg.as_message_in(db, channel.id()).await?;
+
+    // Add the reaction
+    message
+        .add_reaction(db, &user, &emoji.id)
+        .await
+        .map(|_| EmptyResponse)
+}

crates/delta/src/routes/channels/message_send.rs

@@ -2,10 +2,12 @@ use std::collections::HashSet;
 
 use revolt_quark::{
     models::{
-        message::{Masquerade, Reply, SendableEmbed},
+        message::{Interactions, Masquerade, Reply, SendableEmbed},
         Message, User,
     },
-    perms, Db, Error, Permission, Ref, Result,
+    perms,
+    web::idempotency::IdempotencyKey,
+    Db, Error, Permission, Ref, Result,
 };
 
 use regex::Regex;
@@ -14,13 +16,12 @@ use serde::{Deserialize, Serialize};
 use ulid::Ulid;
 use validator::Validate;
 
-use crate::util::idempotency::IdempotencyKey;
-
 #[derive(Validate, Serialize, Deserialize, JsonSchema)]
 pub struct DataMessageSend {
     /// Unique token to prevent duplicate message sending
     ///
     /// **This is deprecated and replaced by `Idempotency-Key`!**
+    #[validate(length(min = 1, max = 64))]
     nonce: Option<String>,
 
     /// Message content to send
@@ -32,11 +33,15 @@ pub struct DataMessageSend {
     /// Messages to reply to
     replies: Option<Vec<Reply>>,
     /// Embeds to include in message
+    ///
+    /// Text embed content contributes to the content length cap
     #[validate(length(min = 1, max = 10))]
     embeds: Option<Vec<SendableEmbed>>,
     /// Masquerade to apply to this message
     #[validate]
     masquerade: Option<Masquerade>,
+    /// Information about how this message should be interacted with
+    interactions: Option<Interactions>,
 }
 
 lazy_static! {
@@ -60,6 +65,8 @@ pub async fn message_send(
     data.validate()
         .map_err(|error| Error::FailedValidation { error })?;
 
+    Message::validate_sum(&data.content, &data.embeds)?;
+
     idempotency.consume_nonce(data.nonce).await?;
 
     let channel = target.as_channel(db).await?;
@@ -81,6 +88,7 @@ pub async fn message_send(
         channel: channel.id().to_string(),
         author: user.id.clone(),
         masquerade: data.masquerade,
+        interactions: data.interactions.unwrap_or_default(),
         ..Default::default()
     };
 
@@ -95,13 +103,22 @@ pub async fn message_send(
     }
 
     // 2. Verify permissions for masquerade.
-    if message.masquerade.is_some() {
+    if let Some(masq) = &message.masquerade {
         permissions
             .throw_permission(db, Permission::Masquerade)
             .await?;
+
+        if masq.colour.is_some() {
+            permissions
+                .throw_permission(db, Permission::ManageRole)
+                .await?;
+        }
     }
 
-    // 3. Verify replies are valid.
+    // 3. Ensure interactions information is correct
+    message.interactions.validate(db).await?;
+
+    // 4. Verify replies are valid.
     let mut replies = HashSet::new();
     if let Some(entries) = data.replies {
         if entries.len() > 5 {
@@ -134,7 +151,19 @@ pub async fn message_send(
             .replace(replies.into_iter().collect::<Vec<String>>());
     }
 
-    // 4. Add attachments to message.
+    // 5. Process included embeds.
+    let mut embeds = vec![];
+    if let Some(sendable_embeds) = data.embeds {
+        for sendable_embed in sendable_embeds {
+            embeds.push(sendable_embed.into_embed(db, message_id.clone()).await?)
+        }
+    }
+
+    if !embeds.is_empty() {
+        message.embeds.replace(embeds);
+    }
+
+    // 6. Add attachments to message.
     let mut attachments = vec![];
     if let Some(ids) = &data.attachments {
         if !ids.is_empty() {
@@ -160,22 +189,10 @@ pub async fn message_send(
         message.attachments.replace(attachments);
     }
 
-    // 5. Process included embeds.
-    let mut embeds = vec![];
-    if let Some(sendable_embeds) = data.embeds {
-        for sendable_embed in sendable_embeds {
-            embeds.push(sendable_embed.into_embed(db, message_id.clone()).await?)
-        }
-    }
-
-    if !embeds.is_empty() {
-        message.embeds.replace(embeds);
-    }
-
-    // 6. Set content
+    // 7. Set content
     message.content = data.content;
 
-    // 7. Pass-through nonce value for clients
+    // 8. Pass-through nonce value for clients
     message.nonce = Some(idempotency.into_key());
 
     message.create(db, &channel, Some(&user)).await?;

crates/delta/src/routes/channels/message_unreact.rs

@@ -0,0 +1,58 @@
+use revolt_quark::{models::User, perms, Db, EmptyResponse, Permission, Ref, Result};
+use serde::{Deserialize, Serialize};
+
+/// # Query Parameters
+#[derive(Serialize, Deserialize, JsonSchema, FromForm)]
+pub struct OptionsUnreact {
+    /// Remove a specific user's reaction
+    user_id: Option<String>,
+    /// Remove all reactions
+    remove_all: Option<bool>,
+}
+
+/// # Remove Reaction(s) to Message
+///
+/// Remove your own, someone else's or all of a given reaction.
+///
+/// Requires `ManageMessages` if changing others' reactions.
+#[openapi(tag = "Interactions")]
+#[delete("/<target>/messages/<msg>/reactions/<emoji>?<options..>")]
+pub async fn unreact_message(
+    db: &Db,
+    user: User,
+    target: Ref,
+    msg: Ref,
+    emoji: Ref,
+    options: OptionsUnreact,
+) -> Result<EmptyResponse> {
+    let channel = target.as_channel(db).await?;
+    let mut permissions = perms(&user).channel(&channel);
+    permissions
+        .throw_permission_and_view_channel(db, Permission::React)
+        .await?;
+
+    // Check if we need to escalate permissions
+    let remove_all = options.remove_all.unwrap_or_default();
+    if options.user_id.is_some() || remove_all {
+        permissions
+            .throw_permission(db, Permission::ManageMessages)
+            .await?;
+    }
+
+    // Fetch relevant message
+    let message = msg.as_message_in(db, channel.id()).await?;
+
+    // Check if we should wipe all of this reaction
+    if remove_all {
+        return message
+            .clear_reaction(db, &emoji.id)
+            .await
+            .map(|_| EmptyResponse);
+    }
+
+    // Remove the reaction
+    message
+        .remove_reaction(db, options.user_id.as_ref().unwrap_or(&user.id), &emoji.id)
+        .await
+        .map(|_| EmptyResponse)
+}

crates/delta/src/routes/channels/mod.rs

@@ -11,13 +11,16 @@ mod group_remove_member;
 mod invite_create;
 mod members_fetch;
 mod message_bulk_delete;
+mod message_clear_reactions;
 mod message_delete;
 mod message_edit;
 mod message_fetch;
 mod message_query;
 mod message_query_stale;
+mod message_react;
 mod message_search;
 mod message_send;
+mod message_unreact;
 mod permissions_set;
 mod permissions_set_default;
 mod voice_join;
@@ -44,5 +47,8 @@ pub fn routes() -> (Vec<Route>, OpenApi) {
         voice_join::req,
         permissions_set::req,
         permissions_set_default::req,
+        message_react::react_message,
+        message_unreact::unreact_message,
+        message_clear_reactions::clear_reactions
     ]
 }

crates/delta/src/routes/customisation/emoji_create.rs

@@ -0,0 +1,81 @@
+use revolt_quark::models::emoji::EmojiParent;
+use revolt_quark::models::{Emoji, File, User};
+use revolt_quark::{perms, Db, Error, Permission, Result};
+use serde::Deserialize;
+use validator::Validate;
+
+use crate::util::regex::RE_EMOJI;
+
+use rocket::serde::json::Json;
+
+/// # Emoji Data
+#[derive(Validate, Deserialize, JsonSchema)]
+pub struct DataCreateEmoji {
+    /// Server name
+    #[validate(length(min = 1, max = 32), regex = "RE_EMOJI")]
+    name: String,
+    /// Parent information
+    parent: EmojiParent,
+    /// Whether the emoji is mature
+    #[serde(default)]
+    nsfw: bool,
+}
+
+/// # Create New Emoji
+///
+/// Create an emoji by its Autumn upload id.
+#[openapi(tag = "Emojis")]
+#[put("/emoji/<id>", data = "<data>")]
+pub async fn create_emoji(
+    db: &Db,
+    user: User,
+    id: String,
+    data: Json<DataCreateEmoji>,
+) -> Result<Json<Emoji>> {
+    let data = data.into_inner();
+    data.validate()
+        .map_err(|error| Error::FailedValidation { error })?;
+
+    // Bots cannot manage emojis
+    if user.bot.is_some() {
+        return Err(Error::IsBot);
+    }
+
+    // Validate we have permission to write into parent
+    match &data.parent {
+        EmojiParent::Server { id } => {
+            let server = db.fetch_server(id).await?;
+
+            // Check for permission
+            perms(&user)
+                .server(&server)
+                .throw_permission(db, Permission::ManageCustomisation)
+                .await?;
+
+            // Check that there are no more than 100 emoji
+            // ! FIXME: hardcoded upper limit
+            let emojis = db.fetch_emoji_by_parent_id(&server.id).await?;
+            if emojis.len() > 100 {
+                return Err(Error::TooManyEmoji);
+            }
+        }
+        EmojiParent::Detached => return Err(Error::InvalidOperation),
+    };
+
+    // Find the relevant attachment
+    let attachment = File::use_emoji(db, &id, &id).await?;
+
+    // Create the emoji object
+    let emoji = Emoji {
+        id,
+        parent: data.parent,
+        creator_id: user.id,
+        name: data.name,
+        animated: "image/gif" == &attachment.content_type,
+        nsfw: data.nsfw,
+    };
+
+    // Save emoji
+    emoji.create(db).await?;
+    Ok(Json(emoji))
+}

crates/delta/src/routes/customisation/emoji_delete.rs

@@ -0,0 +1,37 @@
+use revolt_quark::models::{emoji::EmojiParent, User};
+use revolt_quark::{perms, Db, EmptyResponse, Error, Permission, Ref, Result};
+
+/// # Delete Emoji
+///
+/// Delete an emoji by its id.
+#[openapi(tag = "Emojis")]
+#[delete("/emoji/<id>")]
+pub async fn delete_emoji(db: &Db, user: User, id: Ref) -> Result<EmptyResponse> {
+    // Bots cannot manage emoji
+    if user.bot.is_some() {
+        return Err(Error::IsBot);
+    }
+
+    // Fetch the emoji
+    let emoji = id.as_emoji(db).await?;
+
+    // If we uploaded the emoji, then we have permission to delete it
+    if emoji.creator_id != user.id {
+        // Otherwise, validate we have permission to delete from parent
+        match &emoji.parent {
+            EmojiParent::Server { id } => {
+                let server = db.fetch_server(id).await?;
+
+                // Check for permission
+                perms(&user)
+                    .server(&server)
+                    .throw_permission(db, Permission::ManageCustomisation)
+                    .await?;
+            }
+            EmojiParent::Detached => return Ok(EmptyResponse),
+        };
+    }
+
+    // Delete the emoji
+    emoji.delete(db).await.map(|_| EmptyResponse)
+}

crates/delta/src/routes/customisation/emoji_fetch.rs

@@ -0,0 +1,13 @@
+use revolt_quark::models::{Emoji, User};
+use revolt_quark::{Db, Ref, Result};
+
+use rocket::serde::json::Json;
+
+/// # Fetch Emoji
+///
+/// Fetch an emoji by its id.
+#[openapi(tag = "Emojis")]
+#[get("/emoji/<id>")]
+pub async fn fetch_emoji(db: &Db, _user: User, id: Ref) -> Result<Json<Emoji>> {
+    id.as_emoji(db).await.map(Json)
+}

crates/delta/src/routes/customisation/mod.rs

@@ -0,0 +1,14 @@
+use rocket::Route;
+use rocket_okapi::okapi::openapi3::OpenApi;
+
+mod emoji_create;
+mod emoji_delete;
+mod emoji_fetch;
+
+pub fn routes() -> (Vec<Route>, OpenApi) {
+    openapi_get_routes_spec![
+        emoji_create::create_emoji,
+        emoji_delete::delete_emoji,
+        emoji_fetch::fetch_emoji
+    ]
+}

crates/delta/src/routes/mod.rs

@@ -5,6 +5,7 @@ use rocket_okapi::{okapi::openapi3::OpenApi, settings::OpenApiSettings};
 
 mod bots;
 mod channels;
+mod customisation;
 mod invites;
 mod onboard;
 mod push;
@@ -25,8 +26,10 @@ pub fn mount(mut rocket: Rocket<Build>) -> Rocket<Build> {
         "/channels" => channels::routes(),
         "/servers" => servers::routes(),
         "/invites" => invites::routes(),
-        "/auth/account" => rauth::web::account::routes(),
-        "/auth/session" => rauth::web::session::routes(),
+        "/custom" => customisation::routes(),
+        "/auth/account" => rocket_rauth::routes::account::routes(),
+        "/auth/session" => rocket_rauth::routes::session::routes(),
+        "/auth/mfa" => rocket_rauth::routes::mfa::routes(),
         "/onboard" => onboard::routes(),
         "/push" => push::routes(),
         "/sync" => sync::routes(),
@@ -77,6 +80,7 @@ fn custom_openapi_spec() -> OpenApi {
               "Channel Invites",
               "Channel Permissions",
               "Messaging",
+              "Interactions",
               "Groups",
               "Voice"
             ]
@@ -95,12 +99,19 @@ fn custom_openapi_spec() -> OpenApi {
               "Invites"
             ]
           },
+          {
+            "name": "Customisation",
+            "tags": [
+              "Emojis"
+            ]
+          },
           {
             "name": "Authentication",
             "tags": [
               "Account",
               "Session",
-              "Onboarding"
+              "Onboarding",
+              "MFA"
             ]
           },
           {
@@ -117,7 +128,7 @@ fn custom_openapi_spec() -> OpenApi {
         openapi: OpenApi::default_version(),
         info: Info {
             title: "Revolt API".to_owned(),
-            description: Some("User-first privacy focused chat platform.".to_owned()),
+            description: Some("Open source user-first chat platform.".to_owned()),
             terms_of_service: Some("https://revolt.chat/terms".to_owned()),
             contact: Some(Contact {
                 name: Some("Revolt Support".to_owned()),
@@ -130,7 +141,7 @@ fn custom_openapi_spec() -> OpenApi {
                 url: Some("https://github.com/revoltchat/delta/blob/master/LICENSE".to_owned()),
                 ..Default::default()
             }),
-            version: "0.5.3-rc.1".to_owned(),
+            version: env!("CARGO_PKG_VERSION").to_string(),
             ..Default::default()
         },
         servers: vec![
@@ -242,6 +253,11 @@ fn custom_openapi_spec() -> OpenApi {
                 description: Some("Create and manage sessions".to_owned()),
                 ..Default::default()
             },
+            Tag {
+                name: "MFA".to_owned(),
+                description: Some("Multi-factor Authentication".to_owned()),
+                ..Default::default()
+            },
             Tag {
                 name: "Onboarding".to_owned(),
                 description: Some(

crates/delta/src/routes/onboard/complete.rs

@@ -1,7 +1,6 @@
 use crate::util::regex::RE_USERNAME;
-use revolt_quark::{models::User, Database, EmptyResponse, Error, Result};
+use revolt_quark::{models::User, rauth::models::Session, Database, EmptyResponse, Error, Result};
 
-use rauth::entities::Session;
 use rocket::{serde::json::Json, State};
 use serde::{Deserialize, Serialize};
 use validator::Validate;
@@ -33,13 +32,10 @@ pub async fn req(
     data.validate()
         .map_err(|error| Error::FailedValidation { error })?;
 
-    if db.is_username_taken(&data.username).await? {
-        return Err(Error::UsernameTaken);
-    }
-
+    let username = User::validate_username(db, data.username).await?;
     let user = User {
         id: session.user_id,
-        username: data.username,
+        username,
         ..Default::default()
     };
 

crates/delta/src/routes/onboard/hello.rs

@@ -1,5 +1,4 @@
-use rauth::entities::Session;
-use revolt_quark::models::User;
+use revolt_quark::{models::User, rauth::models::Session};
 use rocket::serde::json::Json;
 use serde::Serialize;
 

crates/delta/src/routes/push/subscribe.rs

@@ -1,9 +1,11 @@
-use revolt_quark::{EmptyResponse, Error, Result};
-
-use rauth::{
-    entities::{Model, Session, WebPushSubscription},
-    logic::Auth,
+use revolt_quark::{
+    rauth::{
+        models::{Session, WebPushSubscription},
+        RAuth,
+    },
+    EmptyResponse, Error, Result,
 };
+
 use rocket::{serde::json::Json, State};
 
 /// # Push Subscribe
@@ -14,13 +16,13 @@ use rocket::{serde::json::Json, State};
 #[openapi(tag = "Web Push")]
 #[post("/subscribe", data = "<data>")]
 pub async fn req(
-    auth: &State<Auth>,
+    rauth: &State<RAuth>,
     mut session: Session,
     data: Json<WebPushSubscription>,
 ) -> Result<EmptyResponse> {
     session.subscription = Some(data.into_inner());
     session
-        .save(&auth.db, None)
+        .save(&rauth)
         .await
         .map(|_| EmptyResponse)
         .map_err(|_| Error::DatabaseError {

crates/delta/src/routes/push/unsubscribe.rs

@@ -1,9 +1,8 @@
-use revolt_quark::{EmptyResponse, Error, Result};
-
-use rauth::{
-    entities::{Model, Session},
-    logic::Auth,
+use revolt_quark::{
+    rauth::{models::Session, RAuth},
+    EmptyResponse, Error, Result,
 };
+
 use rocket::State;
 
 /// # Unsubscribe
@@ -11,10 +10,10 @@ use rocket::State;
 /// Remove the Web Push subscription associated with the current session.
 #[openapi(tag = "Web Push")]
 #[post("/unsubscribe")]
-pub async fn req(auth: &State<Auth>, mut session: Session) -> Result<EmptyResponse> {
+pub async fn req(rauth: &State<RAuth>, mut session: Session) -> Result<EmptyResponse> {
     session.subscription = None;
     session
-        .save(&auth.db, None)
+        .save(&rauth)
         .await
         .map(|_| EmptyResponse)
         .map_err(|_| Error::DatabaseError {

crates/delta/src/routes/root.rs

@@ -76,7 +76,7 @@ pub struct RevoltConfig {
 #[get("/")]
 pub async fn root() -> Result<Json<RevoltConfig>> {
     Ok(Json(RevoltConfig {
-        revolt: crate::version::VERSION.to_string(),
+        revolt: env!("CARGO_PKG_VERSION").to_string(),
         features: RevoltFeatures {
             captcha: CaptchaFeature {
                 enabled: *USE_HCAPTCHA,

crates/delta/src/routes/servers/ban_create.rs

@@ -1,5 +1,5 @@
 use revolt_quark::{
-    models::{ServerBan, User},
+    models::{server_member::MemberCompositeKey, ServerBan, User},
     perms, Db, Error, Permission, Ref, Result,
 };
 
@@ -47,13 +47,27 @@ pub async fn req(
         .throw_permission(db, Permission::BanMembers)
         .await?;
 
-    let member = target.as_member(db, &server.id).await?;
+    // If member exists, check privileges against them
+    if let Ok(member) = target.as_member(db, &server.id).await {
+        if member.get_ranking(permissions.server.get().unwrap())
+            <= permissions.get_member_rank().unwrap_or(i64::MIN)
+        {
+            return Err(Error::NotElevated);
+        }
 
-    if member.get_ranking(permissions.server.get().unwrap())
-        <= permissions.get_member_rank().unwrap_or(i64::MIN)
-    {
-        return Err(Error::NotElevated);
+        server.ban_member(db, member, data.reason).await.map(Json)
+    } else {
+        let server_id = server.id.to_string();
+        server
+            .ban_user(
+                db,
+                MemberCompositeKey {
+                    server: server_id,
+                    user: target.id,
+                },
+                data.reason,
+            )
+            .await
+            .map(Json)
     }
-
-    server.ban_member(db, member, data.reason).await.map(Json)
 }

crates/delta/src/routes/servers/emoji_list.rs

@@ -0,0 +1,17 @@
+use revolt_quark::models::{Emoji, User};
+use revolt_quark::{perms, Db, Ref, Result};
+
+use rocket::serde::json::Json;
+
+/// # Fetch Server Emoji
+///
+/// Fetch all emoji on a server.
+#[openapi(tag = "Server Customisation")]
+#[get("/<target>/emojis")]
+pub async fn list_emoji(db: &Db, user: User, target: Ref) -> Result<Json<Vec<Emoji>>> {
+    let server = target.as_server(db).await?;
+    perms(&user).server(&server).calc(db).await?;
+
+    // Fetch all emoji from server if we can view it
+    db.fetch_emoji_by_parent_id(&server.id).await.map(Json)
+}

crates/delta/src/routes/servers/member_edit.rs

@@ -1,9 +1,11 @@
+use std::collections::HashSet;
+
 use revolt_quark::{
     models::{
         server_member::{FieldsMember, PartialMember},
         File, Member, User,
     },
-    perms, Db, Error, Ref, Result,
+    perms, Db, Error, Permission, Ref, Result, Timestamp,
 };
 
 use rocket::serde::json::Json;
@@ -20,6 +22,8 @@ pub struct DataMemberEdit {
     avatar: Option<String>,
     /// Array of role ids
     roles: Option<Vec<String>>,
+    /// Timestamp this member is timed out until
+    timeout: Option<Timestamp>,
     /// Fields to remove from channel object
     #[validate(length(min = 1))]
     remove: Option<Vec<FieldsMember>>,
@@ -41,27 +45,100 @@ pub async fn req(
     data.validate()
         .map_err(|error| Error::FailedValidation { error })?;
 
-    let server = server.as_server(db).await?;
-    perms(&user).server(&server).calc(db).await?;
-
+    // Fetch server, target member and current permissions
+    let mut server = server.as_server(db).await?;
     let mut member = target.as_member(db, &server.id).await?;
+    let mut permissions = perms(&user).server(&server);
 
+    // Check permissions in server
+    let mut required = vec![];
+
+    if data.nickname.is_some()
+        || data
+            .remove
+            .as_ref()
+            .map(|x| x.contains(&FieldsMember::Nickname))
+            .unwrap_or_default()
+    {
+        if user.id == member.id.user {
+            required.push(Permission::ChangeNickname);
+        } else {
+            required.push(Permission::ManageNicknames);
+        }
+    }
+
+    if data.avatar.is_some()
+        || data
+            .remove
+            .as_ref()
+            .map(|x| x.contains(&FieldsMember::Avatar))
+            .unwrap_or_default()
+    {
+        if user.id == member.id.user {
+            required.push(Permission::ChangeAvatar);
+        } else {
+            return Err(Error::InvalidOperation);
+        }
+    }
+
+    if data.roles.is_some()
+        || data
+            .remove
+            .as_ref()
+            .map(|x| x.contains(&FieldsMember::Roles))
+            .unwrap_or_default()
+    {
+        required.push(Permission::AssignRoles);
+    }
+
+    for permission in required {
+        permissions.throw_permission(db, permission).await?;
+    }
+
+    // Resolve our ranking
+    let our_ranking = permissions.get_member_rank().unwrap_or(i64::MIN);
+
+    // Check that we have permissions to act against this member
+    if member.id.user != user.id
+        && member.get_ranking(permissions.server.get().unwrap()) <= our_ranking
+    {
+        return Err(Error::NotElevated);
+    }
+
+    // Check permissions against roles in diff
+    if let Some(roles) = &data.roles {
+        let current_roles = member.roles.iter().collect::<HashSet<&String>>();
+
+        let new_roles = roles.iter().collect::<HashSet<&String>>();
+        let added_roles: Vec<&&String> = new_roles.difference(&current_roles).collect();
+
+        for role_id in added_roles {
+            if let Some(role) = server.roles.remove(*role_id) {
+                if role.rank <= our_ranking {
+                    return Err(Error::NotElevated);
+                }
+            } else {
+                return Err(Error::InvalidRole);
+            }
+        }
+    }
+
+    // Apply edits to the member object
     let DataMemberEdit {
         nickname,
         avatar,
         roles,
+        timeout,
         remove,
     } = data;
 
     let mut partial = PartialMember {
         nickname,
         roles,
+        timeout,
         ..Default::default()
     };
 
-    // ! FIXME: calculate permission against member
-    // ! FIXME: also check roles exist lol
-
     // 1. Remove fields from object
     if let Some(fields) = &remove {
         if fields.contains(&FieldsMember::Avatar) {

crates/delta/src/routes/servers/mod.rs

@@ -1,30 +1,26 @@
 use rocket::Route;
 use rocket_okapi::okapi::openapi3::OpenApi;
 
-mod server_ack;
-mod server_create;
-mod server_delete;
-mod server_edit;
-mod server_fetch;
-
-mod channel_create;
-
-mod member_edit;
-mod member_fetch;
-mod member_fetch_all;
-mod member_remove;
-
 mod ban_create;
 mod ban_list;
 mod ban_remove;
-
+mod channel_create;
+mod emoji_list;
 mod invites_fetch;
-
+mod member_edit;
+mod member_fetch;
+mod member_fetch_all;
+mod member_remove;
 mod permissions_set;
 mod permissions_set_default;
 mod roles_create;
 mod roles_delete;
 mod roles_edit;
+mod server_ack;
+mod server_create;
+mod server_delete;
+mod server_edit;
+mod server_fetch;
 
 pub fn routes() -> (Vec<Route>, OpenApi) {
     openapi_get_routes_spec![
@@ -46,6 +42,7 @@ pub fn routes() -> (Vec<Route>, OpenApi) {
         roles_edit::req,
         roles_delete::req,
         permissions_set::req,
-        permissions_set_default::req
+        permissions_set_default::req,
+        emoji_list::list_emoji
     ]
 }

crates/delta/src/routes/servers/roles_edit.rs

@@ -3,7 +3,9 @@ use revolt_quark::{
         server::{FieldsRole, PartialRole, Role},
         User,
     },
-    perms, Db, Error, Permission, Ref, Result,
+    perms,
+    util::regex::RE_COLOUR,
+    Db, Error, Permission, Ref, Result,
 };
 
 use rocket::serde::json::Json;
@@ -17,7 +19,7 @@ pub struct DataEditRole {
     #[validate(length(min = 1, max = 32))]
     name: Option<String>,
     /// Role colour
-    #[validate(length(min = 1, max = 32))]
+    #[validate(length(min = 1, max = 128), regex = "RE_COLOUR")]
     colour: Option<String>,
     /// Whether this role should be displayed separately
     hoist: Option<bool>,

crates/delta/src/routes/servers/server_edit.rs

@@ -33,6 +33,8 @@ pub struct DataEditServer {
 
     // Whether this server is age-restricted
     // nsfw: Option<bool>,
+    /// Whether this server is public and should show up on [Revolt Discover](https://rvlt.gg)
+    discoverable: Option<bool>,
     /// Whether analytics should be collected for this server
     ///
     /// Must be enabled in order to show up on [Revolt Discover](https://rvlt.gg).
@@ -102,6 +104,7 @@ pub async fn req(
         categories,
         system_messages,
         // nsfw,
+        discoverable,
         analytics,
         remove,
     } = data;
@@ -112,6 +115,7 @@ pub async fn req(
         categories,
         system_messages,
         // nsfw,
+        discoverable,
         analytics,
         ..Default::default()
     };

crates/delta/src/routes/sync/set_settings.rs

@@ -1,5 +1,5 @@
 use revolt_quark::models::User;
-use revolt_quark::r#impl::generic::users::user_settings::UserSettingsImpl;
+use revolt_quark::r#impl::UserSettingsImpl;
 use revolt_quark::{Db, EmptyResponse, Result};
 
 use chrono::prelude::*;

crates/delta/src/routes/users/add_friend.rs

@@ -1,16 +1,16 @@
 use revolt_quark::models::User;
-use revolt_quark::{Database, Error, Result};
+use revolt_quark::{Database, Error, Ref, Result};
 
 use rocket::serde::json::Json;
 use rocket::State;
 
-/// # Send Friend Request / Accept Request
+/// # Accept Friend Request
 ///
-/// Send a friend request to another user or accept another user's friend request.
+/// Accept another user's friend request.
 #[openapi(tag = "Relationships")]
-#[put("/<username>/friend")]
-pub async fn req(db: &State<Database>, user: User, username: String) -> Result<Json<User>> {
-    let mut target = db.fetch_user_by_username(&username).await?;
+#[put("/<target>/friend")]
+pub async fn req(db: &State<Database>, user: User, target: Ref) -> Result<Json<User>> {
+    let mut target = target.as_user(db).await?;
 
     if user.bot.is_some() || target.bot.is_some() {
         return Err(Error::IsBot);

crates/delta/src/routes/users/change_username.rs

@@ -1,6 +1,5 @@
 use crate::util::regex::RE_USERNAME;
-use rauth::entities::Account;
-use revolt_quark::{models::User, Database, Error, Result};
+use revolt_quark::{models::User, rauth::models::Account, Database, Error, Result};
 use rocket::{serde::json::Json, State};
 use serde::{Deserialize, Serialize};
 use validator::Validate;

crates/delta/src/routes/users/get_default_avatar.rs

@@ -59,18 +59,6 @@ impl rocket_okapi::response::OpenApiResponderInner for CachedFile {
 pub async fn req(target: String) -> CachedFile {
     CachedFile((
         ContentType::PNG,
-        match target.chars().last().unwrap() {
-            // 0123456789ABCDEFGHJKMNPQRSTVWXYZ
-            '0' | '1' | '2' | '3' | 'S' | 'Z' => {
-                include_bytes!(crate::asset!("user/2.png")).to_vec()
-            }
-            '4' | '5' | '6' | '7' | 'T' => include_bytes!(crate::asset!("user/3.png")).to_vec(),
-            '8' | '9' | 'A' | 'B' => include_bytes!(crate::asset!("user/4.png")).to_vec(),
-            'C' | 'D' | 'E' | 'F' | 'V' => include_bytes!(crate::asset!("user/5.png")).to_vec(),
-            'G' | 'H' | 'J' | 'K' | 'W' => include_bytes!(crate::asset!("user/6.png")).to_vec(),
-            'M' | 'N' | 'P' | 'Q' | 'X' => include_bytes!(crate::asset!("user/7.png")).to_vec(),
-            /*'0' | '1' | '2' | '3' | 'R' | 'Y'*/
-            _ => include_bytes!(crate::asset!("user/1.png")).to_vec(),
-        },
+        revolt_quark::util::pfp::avatar(target.chars().last().unwrap()),
     ))
 }

crates/delta/src/routes/users/mod.rs

@@ -13,6 +13,7 @@ mod find_mutual;
 mod get_default_avatar;
 mod open_dm;
 mod remove_friend;
+mod send_friend_request;
 mod unblock_user;
 
 pub fn routes() -> (Vec<Route>, OpenApi) {
@@ -33,5 +34,6 @@ pub fn routes() -> (Vec<Route>, OpenApi) {
         remove_friend::req,
         block_user::req,
         unblock_user::req,
+        send_friend_request::req,
     ]
 }

crates/delta/src/routes/users/send_friend_request.rs

@@ -0,0 +1,32 @@
+use revolt_quark::models::User;
+use revolt_quark::{Database, Error, Result};
+
+use rocket::serde::json::Json;
+use rocket::State;
+use serde::{Deserialize, Serialize};
+
+/// # User Lookup Information
+#[derive(Serialize, Deserialize, JsonSchema)]
+pub struct DataSendFriendRequest {
+    username: String,
+}
+
+/// # Send Friend Request
+///
+/// Send a friend request to another user.
+#[openapi(tag = "Relationships")]
+#[post("/friend", data = "<data>")]
+pub async fn req(
+    db: &State<Database>,
+    user: User,
+    data: Json<DataSendFriendRequest>,
+) -> Result<Json<User>> {
+    let mut target = db.fetch_user_by_username(&data.username).await?;
+
+    if user.bot.is_some() || target.bot.is_some() {
+        return Err(Error::IsBot);
+    }
+
+    user.add_friend(db, &mut target).await?;
+    Ok(Json(target.with_auto_perspective(db, &user).await))
+}

crates/delta/src/util/mod.rs

@@ -1,3 +1 @@
-pub mod idempotency;
-pub mod ratelimiter;
 pub mod regex;

crates/delta/src/util/regex.rs

@@ -6,4 +6,9 @@ use regex::Regex;
 /// Block zero width space
 /// Block lookalike characters
 pub static RE_USERNAME: Lazy<Regex> =
-    Lazy::new(|| Regex::new(r"^[^\u200BА-Яа-яΑ-Ωα-ω]+$").unwrap());
+    Lazy::new(|| Regex::new(r"^[^\u200BА-Яа-яΑ-Ωα-ω@#:\n\r\[\]]+$").unwrap());
+
+/// Regex for valid emoji names
+///
+/// Alphanumeric and underscores
+pub static RE_EMOJI: Lazy<Regex> = Lazy::new(|| Regex::new(r"^[a-z0-9_]+$").unwrap());

crates/delta/src/version.rs

@@ -1 +0,0 @@
-pub const VERSION: &str = "0.5.3-5-patch.2";

crates/quark/Cargo.toml

@@ -1,14 +1,27 @@
 [package]
 name = "revolt-quark"
 version = "0.1.0"
+license = "AGPL-3.0-or-later"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
 mongo = [ "mongodb" ]
-rocket_impl = [ "rocket" ]
-test = [ "async-std", "mongo", "mongodb/async-std-runtime", "rocket_impl", "rauth" ]
+rocket_impl = [
+    "rocket",
+    "rocket_empty",
+    "rocket_cors",
+
+    "lru",
+    "dashmap",
+
+    "rauth/database-mongodb",
+    "rauth/rocket_impl",
+    "rauth/okapi_impl"
+]
+
+test = [ "async-std", "mongo", "mongodb/async-std-runtime", "rocket_impl" ]
 default = [ "test" ]
 
 [dependencies]
@@ -25,8 +38,8 @@ bson = { version = "2.1.0", features = ["chrono-0_4"] }
 
 # Spec Generation
 schemars = "0.8.8"
-okapi = { git = "https://github.com/insertish/okapi", rev = "dcf0df115596ee07a587a7a543cddf3d7944645b" }
-rocket_okapi = { git = "https://github.com/insertish/okapi", rev = "dcf0df115596ee07a587a7a543cddf3d7944645b" }
+okapi = { git = "https://github.com/insertish/okapi", rev = "a1048d0c8cd771e424ec97d33d825c32e06aa120" }
+rocket_okapi = { git = "https://github.com/insertish/okapi", rev = "a1048d0c8cd771e424ec97d33d825c32e06aa120" }
 # okapi = "0.7.0-rc.1"
 # rocket_okapi = "0.8.0-rc.1"
 
@@ -55,16 +68,24 @@ impl_ops = "0.1.1"
 num_enum = "0.5.6"
 reqwest = "0.11.10"
 bitfield = "0.13.2"
+once_cell = "1.13.0"
 lazy_static = "1.4.0"
 
+lru = { version = "0.7.6", optional = true }
+dashmap = { version = "5.2.0", optional = true }
+
 # Web Push
 base64 = "0.13.0"
 web-push = "0.7.2"
 
 # Implementations
-rauth = { optional = true, git = "https://github.com/insertish/rauth", rev = "001a9698c56cea79e69e4ae71d7bc2cb48aec1a6" }
-rocket = { optional = true, version = "=0.5.0-rc.1", default-features = false, features = ["json"] }
-rocket_http = { optional = true, version = "=0.5.0-rc.1" }
+rocket_http = { optional = true, version = "0.5.0-rc.2" }
+rocket = { optional = true, version = "0.5.0-rc.2", default-features = false, features = ["json"] }
+rocket_empty = { optional = true, git = "https://github.com/insertish/rocket_empty", branch = "master" }
+rocket_cors = { optional = true, git = "https://github.com/lawliet89/rocket_cors", rev = "5843861a88958c16bfaa0b40f0d8910772bcd2f6" }
+
+# rAuth
+rauth = { git = "https://github.com/insertish/rauth", rev = "9c3f9bb58a549a51546bd748274130ac4a667cb4", features = [ "async-std-runtime" ] }
 
 # Sentry
 sentry = "0.25.0"

crates/quark/LICENSE

@@ -1,661 +0,0 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU Affero General Public License is a free, copyleft license for
-software and other kinds of works, specifically designed to ensure
-cooperation with the community in the case of network server software.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-our General Public Licenses are intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-  Developers that use our General Public Licenses protect your rights
-with two steps: (1) assert copyright on the software, and (2) offer
-you this License which gives you legal permission to copy, distribute
-and/or modify the software.
-
-  A secondary benefit of defending all users' freedom is that
-improvements made in alternate versions of the program, if they
-receive widespread use, become available for other developers to
-incorporate.  Many developers of free software are heartened and
-encouraged by the resulting cooperation.  However, in the case of
-software used on network servers, this result may fail to come about.
-The GNU General Public License permits making a modified version and
-letting the public access it on a server without ever releasing its
-source code to the public.
-
-  The GNU Affero General Public License is designed specifically to
-ensure that, in such cases, the modified source code becomes available
-to the community.  It requires the operator of a network server to
-provide the source code of the modified version running there to the
-users of that server.  Therefore, public use of a modified version, on
-a publicly accessible server, gives the public access to the source
-code of the modified version.
-
-  An older license, called the Affero General Public License and
-published by Affero, was designed to accomplish similar goals.  This is
-a different license, not a version of the Affero GPL, but Affero has
-released a new version of the Affero GPL which permits relicensing under
-this license.
-
-  The precise terms and conditions for copying, distribution and
-modification follow.
-
-                       TERMS AND CONDITIONS
-
-  0. Definitions.
-
-  "This License" refers to version 3 of the GNU Affero General Public License.
-
-  "Copyright" also means copyright-like laws that apply to other kinds of
-works, such as semiconductor masks.
-
-  "The Program" refers to any copyrightable work licensed under this
-License.  Each licensee is addressed as "you".  "Licensees" and
-"recipients" may be individuals or organizations.
-
-  To "modify" a work means to copy from or adapt all or part of the work
-in a fashion requiring copyright permission, other than the making of an
-exact copy.  The resulting work is called a "modified version" of the
-earlier work or a work "based on" the earlier work.
-
-  A "covered work" means either the unmodified Program or a work based
-on the Program.
-
-  To "propagate" a work means to do anything with it that, without
-permission, would make you directly or secondarily liable for
-infringement under applicable copyright law, except executing it on a
-computer or modifying a private copy.  Propagation includes copying,
-distribution (with or without modification), making available to the
-public, and in some countries other activities as well.
-
-  To "convey" a work means any kind of propagation that enables other
-parties to make or receive copies.  Mere interaction with a user through
-a computer network, with no transfer of a copy, is not conveying.
-
-  An interactive user interface displays "Appropriate Legal Notices"
-to the extent that it includes a convenient and prominently visible
-feature that (1) displays an appropriate copyright notice, and (2)
-tells the user that there is no warranty for the work (except to the
-extent that warranties are provided), that licensees may convey the
-work under this License, and how to view a copy of this License.  If
-the interface presents a list of user commands or options, such as a
-menu, a prominent item in the list meets this criterion.
-
-  1. Source Code.
-
-  The "source code" for a work means the preferred form of the work
-for making modifications to it.  "Object code" means any non-source
-form of a work.
-
-  A "Standard Interface" means an interface that either is an official
-standard defined by a recognized standards body, or, in the case of
-interfaces specified for a particular programming language, one that
-is widely used among developers working in that language.
-
-  The "System Libraries" of an executable work include anything, other
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crates/quark/LICENSE

@@ -0,0 +1 @@
+../../LICENSE

crates/quark/assets/templates/deletion.txt

@@ -0,0 +1,5 @@
+You requested to have your account deleted, if you did not perform this action please take measures to secure your account immediately.
+
+Confirm here: {{url}}
+
+Sent by Revolt.

crates/quark/src/database.rs

@@ -1,8 +1,7 @@
 use std::env;
 use std::ops::Deref;
 
-use crate::r#impl::dummy::DummyDb;
-use crate::r#impl::mongo::MongoDb;
+use crate::r#impl::{DummyDb, MongoDb};
 use crate::AbstractDatabase;
 
 /// Database information to use to create a client
@@ -61,3 +60,14 @@ impl Deref for Database {
         }
     }
 }
+
+impl From<Database> for rauth::Database {
+    fn from(val: Database) -> Self {
+        match val {
+            Database::Dummy(_) => rauth::Database::default(),
+            Database::MongoDb(MongoDb(client)) => {
+                rauth::Database::MongoDb(rauth::database::MongoDb(client.database("revolt")))
+            }
+        }
+    }
+}

crates/quark/src/events/client.rs

@@ -5,7 +5,7 @@ use crate::models::message::{AppendMessage, PartialMessage};
 use crate::models::server::{FieldsRole, FieldsServer, PartialRole, PartialServer};
 use crate::models::server_member::{FieldsMember, MemberCompositeKey, PartialMember};
 use crate::models::user::{FieldsUser, PartialUser, RelationshipStatus};
-use crate::models::{Channel, Member, Message, Server, User, UserSettings};
+use crate::models::{Channel, Emoji, Member, Message, Server, User, UserSettings};
 use crate::Error;
 
 /// WebSocket Client Errors
@@ -52,6 +52,7 @@ pub enum EventV1 {
         servers: Vec<Server>,
         channels: Vec<Channel>,
         members: Vec<Member>,
+        emojis: Option<Vec<Emoji>>,
     },
 
     /// Ping response
@@ -77,6 +78,29 @@ pub enum EventV1 {
     /// Delete message
     MessageDelete { id: String, channel: String },
 
+    /// New reaction to a message
+    MessageReact {
+        id: String,
+        channel_id: String,
+        user_id: String,
+        emoji_id: String,
+    },
+
+    /// Remove user's reaction from message
+    MessageUnreact {
+        id: String,
+        channel_id: String,
+        user_id: String,
+        emoji_id: String,
+    },
+
+    /// Remove a reaction from message
+    MessageRemoveReaction {
+        id: String,
+        channel_id: String,
+        emoji_id: String,
+    },
+
     /// Bulk delete messages
     BulkMessageDelete { channel: String, ids: Vec<String> },
 
@@ -170,4 +194,10 @@ pub enum EventV1 {
 
     /// Settings updated remotely
     UserSettingsUpdate { id: String, update: UserSettings },
+
+    /// New emoji
+    EmojiCreate(Emoji),
+
+    /// Delete emoji
+    EmojiDelete { id: String },
 }

crates/quark/src/events/impl.rs

@@ -111,6 +111,7 @@ impl State {
 
         // Fetch all memberships with their corresponding servers.
         let members: Vec<Member> = db.fetch_all_memberships(&user.id).await?;
+
         let server_ids: Vec<String> = members.iter().map(|x| x.id.server.clone()).collect();
         let servers = db.fetch_servers(&server_ids).await?;
 
@@ -151,6 +152,17 @@ impl State {
             )
             .await?;
 
+        // Fetch customisations.
+        let emojis = Some(
+            db.fetch_emoji_by_parent_ids(
+                &servers
+                    .iter()
+                    .map(|x| x.id.to_string())
+                    .collect::<Vec<String>>(),
+            )
+            .await?,
+        );
+
         // Copy data into local state cache.
         self.cache.users = users.iter().cloned().map(|x| (x.id.clone(), x)).collect();
         self.cache
@@ -202,6 +214,7 @@ impl State {
             servers,
             channels,
             members,
+            emojis,
         })
     }
 
@@ -472,10 +485,8 @@ impl State {
 
                 if data.rank.is_some() || data.permissions.is_some() {
                     if let Some(member) = self.cache.members.get(id) {
-                        if let Some(roles) = &member.roles {
-                            if roles.contains(role_id) {
-                                queue_server = Some(id.clone());
-                            }
+                        if member.roles.contains(role_id) {
+                            queue_server = Some(id.clone());
                         }
                     }
                 }
@@ -486,10 +497,8 @@ impl State {
                 }
 
                 if let Some(member) = self.cache.members.get(id) {
-                    if let Some(roles) = &member.roles {
-                        if roles.contains(role_id) {
-                            queue_server = Some(id.clone());
-                        }
+                    if member.roles.contains(role_id) {
+                        queue_server = Some(id.clone());
                     }
                 }
             }

crates/quark/src/impl/dummy/channels/message.rs

@@ -64,4 +64,22 @@ impl AbstractMessage for DummyDb {
     ) -> Result<Vec<Message>> {
         Ok(vec![self.fetch_message(channel).await.unwrap()])
     }
+
+    /// Add a new reaction to a message
+    async fn add_reaction(&self, id: &str, emoji: &str, user: &str) -> Result<()> {
+        info!("Add to {id} with {emoji} and {user}");
+        Ok(())
+    }
+
+    /// Remove a reaction from a message
+    async fn remove_reaction(&self, id: &str, emoji: &str, user: &str) -> Result<()> {
+        info!("Remove {emoji} from {id} for {user}");
+        Ok(())
+    }
+
+    /// Remove reaction from a message
+    async fn clear_reaction(&self, id: &str, emoji: &str) -> Result<()> {
+        info!("Clear {emoji} on {id}");
+        Ok(())
+    }
 }

crates/quark/src/impl/dummy/media/attachment.rs

@@ -39,4 +39,9 @@ impl AbstractAttachment for DummyDb {
         info!("Marked {id} as deleted");
         Ok(())
     }
+
+    async fn mark_attachments_as_deleted(&self, ids: &[String]) -> Result<()> {
+        info!("Marked {ids:?} as deleted");
+        Ok(())
+    }
 }

crates/quark/src/impl/dummy/media/emoji.rs

@@ -0,0 +1,42 @@
+use crate::models::emoji::EmojiParent;
+use crate::models::Emoji;
+use crate::{AbstractEmoji, Result};
+
+use super::super::DummyDb;
+
+#[async_trait]
+impl AbstractEmoji for DummyDb {
+    /// Fetch an emoji by its id
+    async fn fetch_emoji(&self, id: &str) -> Result<Emoji> {
+        Ok(Emoji {
+            id: id.into(),
+            name: id.into(),
+            parent: EmojiParent::Server { id: id.into() },
+            creator_id: id.into(),
+            animated: false,
+            nsfw: false,
+        })
+    }
+
+    /// Fetch emoji by their ids
+    async fn fetch_emoji_by_parent_id(&self, parent_id: &str) -> Result<Vec<Emoji>> {
+        Ok(vec![self.fetch_emoji(parent_id).await?])
+    }
+
+    /// Fetch emoji by their parent ids
+    async fn fetch_emoji_by_parent_ids(&self, _parent_ids: &[String]) -> Result<Vec<Emoji>> {
+        Ok(vec![])
+    }
+
+    /// Insert emoji into database.
+    async fn insert_emoji(&self, emoji: &Emoji) -> Result<()> {
+        info!("Insert {emoji:?}");
+        Ok(())
+    }
+
+    /// Detach an emoji by its id
+    async fn detach_emoji(&self, emoji: &Emoji) -> Result<()> {
+        info!("Detach {emoji:?}");
+        Ok(())
+    }
+}

crates/quark/src/impl/dummy/mod.rs

@@ -4,8 +4,9 @@ pub mod admin {
     pub mod migrations;
 }
 
-pub mod autumn {
+pub mod media {
     pub mod attachment;
+    pub mod emoji;
 }
 
 pub mod channels {

crates/quark/src/impl/dummy/servers/server_member.rs

@@ -3,6 +3,8 @@ use crate::{AbstractServerMember, Result};
 
 use super::super::DummyDb;
 
+use iso8601_timestamp::Timestamp;
+
 #[async_trait]
 impl AbstractServerMember for DummyDb {
     async fn fetch_member(&self, server: &str, user: &str) -> Result<Member> {
@@ -11,9 +13,11 @@ impl AbstractServerMember for DummyDb {
                 server: server.into(),
                 user: user.into(),
             },
+            joined_at: Timestamp::now_utc(),
             nickname: None,
             avatar: None,
-            roles: None,
+            roles: vec![],
+            timeout: None,
         })
     }
 

crates/quark/src/impl/generic/channels/channel.rs

@@ -242,7 +242,12 @@ impl Channel {
     /// Add user to a group
     pub async fn add_user_to_group(&mut self, db: &Database, user: &str, by: &str) -> Result<()> {
         if let Channel::Group { recipients, .. } = self {
-            recipients.push(user.to_string());
+            let user = user.to_string();
+            if recipients.contains(&user) {
+                return Err(Error::AlreadyInGroup);
+            }
+
+            recipients.push(user);
         }
 
         match &self {
@@ -300,6 +305,15 @@ impl Channel {
                             vec![],
                         )
                         .await?;
+
+                        SystemMessage::ChannelOwnershipChanged {
+                            from: owner.to_string(),
+                            to: new_owner.into(),
+                        }
+                        .into_message(id.to_string())
+                        .create(db, self, None)
+                        .await
+                        .ok();
                     } else {
                         db.delete_channel(self).await?;
                         return Ok(());

crates/quark/src/impl/generic/channels/message.rs

@@ -2,14 +2,16 @@ use std::collections::HashSet;
 
 use serde_json::json;
 use ulid::Ulid;
+use validator::Validate;
 
 use crate::{
     events::client::EventV1,
     models::{
         message::{
-            AppendMessage, BulkMessageResponse, PartialMessage, SendableEmbed, SystemMessage,
+            AppendMessage, BulkMessageResponse, Interactions, PartialMessage, SendableEmbed,
+            SystemMessage,
         },
-        Channel, Message, User,
+        Channel, Emoji, Message, User,
     },
     presence::presence_filter_online,
     tasks::ack::AckEvent,
@@ -17,7 +19,7 @@ use crate::{
         january::{Embed, Text},
         push::PushNotification,
     },
-    Database, Result,
+    Database, Error, Result,
 };
 
 impl Message {
@@ -134,7 +136,17 @@ impl Message {
 
     /// Delete a message
     pub async fn delete(self, db: &Database) -> Result<()> {
+        let file_ids: Vec<String> = self
+            .attachments
+            .map(|files| files.iter().map(|file| file.id.to_string()).collect())
+            .unwrap_or_default();
+
+        if !file_ids.is_empty() {
+            db.mark_attachments_as_deleted(&file_ids).await?;
+        }
+
         db.delete_message(&self.id).await?;
+
         EventV1::MessageDelete {
             id: self.id,
             channel: self.channel.clone(),
@@ -155,6 +167,104 @@ impl Message {
         .await;
         Ok(())
     }
+
+    /// Validate the sum of content of a message is under threshold
+    pub fn validate_sum(
+        content: &Option<String>,
+        embeds: &Option<Vec<SendableEmbed>>,
+    ) -> Result<()> {
+        let mut running_total = 0;
+        if let Some(content) = content {
+            running_total += content.len();
+        }
+
+        if let Some(embeds) = embeds {
+            for embed in embeds {
+                if let Some(desc) = &embed.description {
+                    running_total += desc.len();
+                }
+            }
+        }
+
+        if running_total <= 2000 {
+            Ok(())
+        } else {
+            Err(Error::PayloadTooLarge)
+        }
+    }
+
+    /// Add a reaction to a message
+    pub async fn add_reaction(&self, db: &Database, user: &User, emoji: &str) -> Result<()> {
+        // Check if the emoji is whitelisted
+        if !self.interactions.can_use(emoji) {
+            return Err(Error::InvalidOperation);
+        }
+
+        // Check if the emoji is usable by us
+        if !Emoji::can_use(db, emoji).await? {
+            return Err(Error::InvalidOperation);
+        }
+
+        // Send reaction event
+        EventV1::MessageReact {
+            id: self.id.to_string(),
+            channel_id: self.channel.to_string(),
+            user_id: user.id.to_string(),
+            emoji_id: emoji.to_string(),
+        }
+        .p(self.channel.to_string())
+        .await;
+
+        // Add emoji
+        db.add_reaction(&self.id, emoji, &user.id).await
+    }
+
+    /// Remove a reaction from a message
+    pub async fn remove_reaction(&self, db: &Database, user: &str, emoji: &str) -> Result<()> {
+        // Check if it actually exists
+        let empty = if let Some(users) = self.reactions.get(emoji) {
+            if !users.contains(user) {
+                return Err(Error::NotFound);
+            }
+
+            users.len() == 1
+        } else {
+            return Err(Error::NotFound);
+        };
+
+        // Send reaction event
+        EventV1::MessageUnreact {
+            id: self.id.to_string(),
+            channel_id: self.channel.to_string(),
+            user_id: user.to_string(),
+            emoji_id: emoji.to_string(),
+        }
+        .p(self.channel.to_string())
+        .await;
+
+        if empty {
+            // If empty, remove the reaction entirely
+            db.clear_reaction(&self.id, emoji).await
+        } else {
+            // Otherwise only remove that one reaction
+            db.remove_reaction(&self.id, emoji, user).await
+        }
+    }
+
+    /// Remove a reaction from a message
+    pub async fn clear_reaction(&self, db: &Database, emoji: &str) -> Result<()> {
+        // Send reaction event
+        EventV1::MessageRemoveReaction {
+            id: self.id.to_string(),
+            channel_id: self.channel.to_string(),
+            emoji_id: emoji.to_string(),
+        }
+        .p(self.channel.to_string())
+        .await;
+
+        // Write to database
+        db.clear_reaction(&self.id, emoji).await
+    }
 }
 
 pub trait IntoUsers {
@@ -226,12 +336,18 @@ impl From<SystemMessage> for String {
                 "Channel description changed.".to_string()
             }
             SystemMessage::ChannelIconChanged { .. } => "Channel icon changed.".to_string(),
+            SystemMessage::ChannelOwnershipChanged { .. } => {
+                "Channel ownership changed.".to_string()
+            }
         }
     }
 }
 
 impl SendableEmbed {
     pub async fn into_embed(self, db: &Database, message_id: String) -> Result<Embed> {
+        self.validate()
+            .map_err(|error| Error::FailedValidation { error })?;
+
         let media = if let Some(id) = self.media {
             Some(
                 db.find_and_use_attachment(&id, "attachments", "message", &message_id)
@@ -282,3 +398,40 @@ impl BulkMessageResponse {
         }
     }
 }
+
+impl Interactions {
+    /// Validate interactions info is correct
+    pub async fn validate(&self, db: &Database) -> Result<()> {
+        if let Some(reactions) = &self.reactions {
+            if reactions.len() > 20 {
+                return Err(Error::InvalidOperation);
+            }
+
+            for reaction in reactions {
+                if !Emoji::can_use(db, reaction).await? {
+                    return Err(Error::InvalidOperation);
+                }
+            }
+        }
+
+        Ok(())
+    }
+
+    /// Check if we can use a given emoji to react
+    pub fn can_use(&self, emoji: &str) -> bool {
+        if self.restrict_reactions {
+            if let Some(reactions) = &self.reactions {
+                reactions.contains(emoji)
+            } else {
+                false
+            }
+        } else {
+            true
+        }
+    }
+
+    /// Check if default initialisation of fields
+    pub fn is_default(&self) -> bool {
+        !self.restrict_reactions && self.reactions.is_none()
+    }
+}

crates/quark/src/impl/generic/media/attachment.rs

@@ -30,4 +30,9 @@ impl File {
         db.find_and_use_attachment(id, "banners", "server", parent)
             .await
     }
+
+    pub async fn use_emoji(db: &Database, id: &str, parent: &str) -> Result<File> {
+        db.find_and_use_attachment(id, "emojis", "object", parent)
+            .await
+    }
 }

crates/quark/src/impl/generic/media/emoji.rs

@@ -0,0 +1,58 @@
+use std::{collections::HashSet, str::FromStr};
+
+use ulid::Ulid;
+
+use crate::{
+    events::client::EventV1,
+    models::{emoji::EmojiParent, Emoji},
+    Database, Result,
+};
+
+lazy_static! {
+    /// Permissible emojis
+    static ref PERMISSIBLE_EMOJIS: HashSet<String> = include_str!(crate::asset!("emojis.txt"))
+        .split('\n')
+        .map(|x| x.into())
+        .collect();
+}
+
+impl Emoji {
+    /// Get parent id
+    fn parent(&self) -> &str {
+        match &self.parent {
+            EmojiParent::Server { id } => id,
+            EmojiParent::Detached => "",
+        }
+    }
+
+    /// Create an emoji
+    pub async fn create(&self, db: &Database) -> Result<()> {
+        db.insert_emoji(self).await?;
+        EventV1::EmojiCreate(self.clone())
+            .p(self.parent().to_string())
+            .await;
+
+        Ok(())
+    }
+
+    /// Delete an emoji
+    pub async fn delete(self, db: &Database) -> Result<()> {
+        EventV1::EmojiDelete {
+            id: self.id.to_string(),
+        }
+        .p(self.parent().to_string())
+        .await;
+
+        db.detach_emoji(&self).await
+    }
+
+    /// Check whether we can use a given emoji
+    pub async fn can_use(db: &Database, emoji: &str) -> Result<bool> {
+        if Ulid::from_str(emoji).is_ok() {
+            db.fetch_emoji(emoji).await?;
+            Ok(true)
+        } else {
+            Ok(PERMISSIBLE_EMOJIS.contains(emoji))
+        }
+    }
+}

crates/quark/src/impl/generic/mod.rs

@@ -4,8 +4,9 @@ pub mod admin {
     pub mod migrations;
 }
 
-pub mod autumn {
+pub mod media {
     pub mod attachment;
+    pub mod emoji;
 }
 
 pub mod channels {

crates/quark/src/impl/generic/servers/server.rs

@@ -1,3 +1,4 @@
+use iso8601_timestamp::Timestamp;
 use ulid::Ulid;
 
 use crate::{
@@ -188,7 +189,11 @@ impl Server {
                 server: self.id.clone(),
                 user: user.id.clone(),
             },
-            ..Default::default()
+            joined_at: Timestamp::now_utc(),
+            nickname: None,
+            avatar: None,
+            roles: vec![],
+            timeout: None,
         };
 
         db.insert_member(&member).await?;
@@ -278,6 +283,18 @@ impl Server {
         Ok(())
     }
 
+    /// Create ban
+    pub async fn ban_user(
+        self,
+        db: &Database,
+        id: MemberCompositeKey,
+        reason: Option<String>,
+    ) -> Result<ServerBan> {
+        let ban = ServerBan { id, reason };
+        db.insert_ban(&ban).await?;
+        Ok(ban)
+    }
+
     /// Ban a member from a server
     pub async fn ban_member(
         self,
@@ -285,16 +302,10 @@ impl Server {
         member: Member,
         reason: Option<String>,
     ) -> Result<ServerBan> {
-        let ban = ServerBan {
-            id: member.id.clone(),
-            reason,
-        };
-
-        self.remove_member(db, member, RemovalIntention::Ban)
+        self.remove_member(db, member.clone(), RemovalIntention::Ban)
             .await?;
 
-        db.insert_ban(&ban).await?;
-        Ok(ban)
+        self.ban_user(db, member.id, reason).await
     }
 }
 

crates/quark/src/impl/generic/servers/server_member.rs

@@ -1,3 +1,5 @@
+use iso8601_timestamp::Timestamp;
+
 use crate::{
     events::client::EventV1,
     models::{
@@ -36,19 +38,24 @@ impl Member {
 
     /// Get this user's current ranking
     pub fn get_ranking(&self, server: &Server) -> i64 {
-        if let Some(roles) = &self.roles {
-            let mut value = i64::MAX;
-            for role in roles {
-                if let Some(role) = server.roles.get(role) {
-                    if role.rank < value {
-                        value = role.rank;
-                    }
+        let mut value = i64::MAX;
+        for role in &self.roles {
+            if let Some(role) = server.roles.get(role) {
+                if role.rank < value {
+                    value = role.rank;
                 }
             }
+        }
 
-            value
+        value
+    }
+
+    /// Check whether this member is in timeout
+    pub fn in_timeout(&self) -> bool {
+        if let Some(timeout) = self.timeout {
+            *timeout > *Timestamp::now_utc()
         } else {
-            i64::MAX
+            false
         }
     }
 
@@ -56,7 +63,8 @@ impl Member {
         match field {
             FieldsMember::Avatar => self.avatar = None,
             FieldsMember::Nickname => self.nickname = None,
-            FieldsMember::Roles => self.roles = None,
+            FieldsMember::Roles => self.roles.clear(),
+            FieldsMember::Timeout => self.timeout = None,
         }
     }
 }

crates/quark/src/impl/generic/users/user.rs

@@ -8,9 +8,6 @@ use crate::{perms, Database, Error, Result};
 
 use futures::try_join;
 use impl_ops::impl_op_ex_commutative;
-use okapi::openapi3::{SecurityScheme, SecuritySchemeData};
-use rocket_okapi::gen::OpenApiGenerator;
-use rocket_okapi::request::{OpenApiFromRequest, RequestHeaderInput};
 use std::ops;
 
 impl_op_ex_commutative!(+ |a: &i32, b: &Badges| -> i32 { *a | *b as i32 });
@@ -153,18 +150,51 @@ impl User {
         Ok(db.fetch_server_count(&self.id).await? <= 100)
     }
 
-    /// Update a user's username
-    pub async fn update_username(&mut self, db: &Database, username: String) -> Result<()> {
+    /// Sanitise and validate a username can be used
+    pub async fn validate_username(db: &Database, username: String) -> Result<String> {
+        // Trim surrounding spaces
         let username = username.trim().to_string();
 
+        // Make sure username is still at least 3 characters
+        if username.len() < 2 {
+            return Err(Error::InvalidUsername);
+        }
+
+        // Copy the username for validation
+        let username_lowercase = username.to_lowercase();
+
+        // Ensure the username itself isn't blocked
+        const BLOCKED_USERNAMES: &[&str] = &["admin", "revolt"];
+
+        for username in BLOCKED_USERNAMES {
+            if username_lowercase == *username {
+                return Err(Error::InvalidUsername);
+            }
+        }
+
+        // Ensure none of the following substrings show up in the username
+        const BLOCKED_SUBSTRINGS: &[&str] = &["```"];
+
+        for substr in BLOCKED_SUBSTRINGS {
+            if username_lowercase.contains(substr) {
+                return Err(Error::InvalidUsername);
+            }
+        }
+
+        // Make sure the username isn't taken
         if db.is_username_taken(&username).await? {
             return Err(Error::UsernameTaken);
         }
 
+        Ok(username)
+    }
+
+    /// Update a user's username
+    pub async fn update_username(&mut self, db: &Database, username: String) -> Result<()> {
         self.update(
             db,
             PartialUser {
-                username: Some(username),
+                username: Some(User::validate_username(db, username).await?),
                 ..Default::default()
             },
             vec![],
@@ -359,72 +389,3 @@ impl User {
         }
     }
 }
-
-use rauth::entities::Session;
-use rocket::http::Status;
-use rocket::request::{self, FromRequest, Outcome, Request};
-
-#[rocket::async_trait]
-impl<'r> FromRequest<'r> for User {
-    type Error = rauth::util::Error;
-
-    async fn from_request(request: &'r Request<'_>) -> request::Outcome<Self, Self::Error> {
-        let user: &Option<User> = request
-            .local_cache_async(async {
-                let db = request
-                    .rocket()
-                    .state::<Database>()
-                    .expect("Database state not reachable!");
-
-                let header_bot_token = request
-                    .headers()
-                    .get("x-bot-token")
-                    .next()
-                    .map(|x| x.to_string());
-
-                if let Some(bot_token) = header_bot_token {
-                    if let Ok(user) = User::from_token(db, &bot_token, UserHint::Bot).await {
-                        return Some(user);
-                    }
-                } else if let Outcome::Success(session) = request.guard::<Session>().await {
-                    // This uses a guard so can't really easily be refactored into from_token at this stage.
-                    if let Ok(user) = db.fetch_user(&session.user_id).await {
-                        return Some(user);
-                    }
-                }
-
-                None
-            })
-            .await;
-
-        if let Some(user) = user {
-            Outcome::Success(user.clone())
-        } else {
-            Outcome::Failure((Status::Unauthorized, rauth::util::Error::InvalidSession))
-        }
-    }
-}
-
-impl<'r> OpenApiFromRequest<'r> for User {
-    fn from_request_input(
-        _gen: &mut OpenApiGenerator,
-        _name: String,
-        _required: bool,
-    ) -> rocket_okapi::Result<RequestHeaderInput> {
-        let mut requirements = schemars::Map::new();
-        requirements.insert("Api Key".to_owned(), vec![]);
-
-        Ok(RequestHeaderInput::Security(
-            "Api Key".to_owned(),
-            SecurityScheme {
-                data: SecuritySchemeData::ApiKey {
-                    name: "x-session-token".to_owned(),
-                    location: "header".to_owned(),
-                },
-                description: Some("Session Token".to_owned()),
-                extensions: schemars::Map::new(),
-            },
-            requirements,
-        ))
-    }
-}

crates/quark/src/impl/mod.rs

@@ -1,3 +1,10 @@
-pub mod dummy;
-pub mod generic;
-pub mod mongo;
+mod dummy;
+mod generic;
+mod mongo;
+
+#[cfg(feature = "rocket_impl")]
+mod rocket;
+
+pub use self::generic::users::user_settings::UserSettingsImpl;
+pub use dummy::DummyDb;
+pub use mongo::MongoDb;

crates/quark/src/impl/mongo/admin/migrations/init.rs

@@ -2,7 +2,6 @@ use crate::r#impl::mongo::MongoDb;
 
 use super::scripts::LATEST_REVISION;
 
-use log::info;
 use mongodb::bson::doc;
 use mongodb::options::CreateCollectionOptions;
 

crates/quark/src/impl/mongo/admin/migrations/scripts.rs

@@ -1,8 +1,7 @@
 use std::time::Duration;
 
-use bson::Bson;
+use bson::{Bson, DateTime};
 use futures::StreamExt;
-use log::info;
 use mongodb::{
     bson::{doc, from_bson, from_document, to_document, Document},
     options::FindOptions,
@@ -17,7 +16,7 @@ struct MigrationInfo {
     revision: i32,
 }
 
-pub const LATEST_REVISION: i32 = 15;
+pub const LATEST_REVISION: i32 = 18;
 
 pub async fn migrate_database(db: &MongoDb) {
     let migrations = db.col::<Document>("migrations");
@@ -603,6 +602,65 @@ pub async fn run_migrations(db: &MongoDb, revision: i32) -> i32 {
             .unwrap();
     }
 
+    if revision <= 15 {
+        info!("Running migration [revision 15 / 04-06-2022]: Migrate rAuth to latest version.");
+
+        let db = rauth::Database::MongoDb(rauth::database::MongoDb(db.db()));
+        db.run_migration(rauth::Migration::M2022_06_03EnsureUpToSpec)
+            .await
+            .unwrap();
+    }
+
+    if revision <= 16 {
+        info!("Running migration [revision 16 / 07-07-2022]: Add `emojis` collection and rAuth migration.");
+
+        let rauth_db = rauth::Database::MongoDb(rauth::database::MongoDb(db.db()));
+        rauth_db
+            .run_migration(rauth::Migration::M2022_06_09AddIndexForDeletion)
+            .await
+            .unwrap();
+
+        db.db()
+            .create_collection("emojis", None)
+            .await
+            .expect("Failed to create emojis collection.");
+
+        db.db()
+            .run_command(
+                doc! {
+                    "createIndexes": "emojis",
+                    "indexes": [
+                        {
+                            "key": {
+                                "parent.id": 1_i32,
+                            },
+                            "name": "parent_id"
+                        }
+                    ]
+                },
+                None,
+            )
+            .await
+            .expect("Failed to create emoji parent index.");
+    }
+
+    if revision <= 17 {
+        info!("Running migration [revision 17 / 15-07-2022]: Initialise `joined_at` property on server members.");
+
+        db.col::<Document>("server_members")
+            .update_many(
+                doc! {},
+                doc! {
+                    "$set": {
+                        "joined_at": DateTime::now().to_rfc3339_string()
+                    }
+                },
+                None,
+            )
+            .await
+            .expect("Failed to update server members.");
+    }
+
     // Need to migrate fields on attachments, change `user_id`, `object_id`, etc to `parent`.
 
     // Reminder to update LATEST_REVISION when adding new migrations.

crates/quark/src/impl/mongo/channels/channel_unread.rs

@@ -37,30 +37,46 @@ impl AbstractChannelUnread for MongoDb {
     }
 
     async fn acknowledge_channels(&self, user: &str, channels: &[String]) -> Result<()> {
+        let current_time = Ulid::new().to_string();
+
         self.col::<Document>(COL)
-            .update_one(
+            .delete_many(
                 doc! {
                     "_id.channel": {
                         "$in": channels
                     },
-                    "_id.user": user,
+                    "_id.user": user
                 },
-                doc! {
-                    "$unset": {
-                        "mentions": 1_i32
-                    },
-                    "$set": {
-                        "last_id": Ulid::new().to_string()
-                    }
-                },
-                UpdateOptions::builder().upsert(true).build(),
+                None,
             )
             .await
-            .map(|_| ())
             .map_err(|_| Error::DatabaseError {
-                operation: "update",
-                with: "channel_unread",
+                operation: "delete_many",
+                with: "channel_unreads",
+            })?;
+
+        self.col::<Document>(COL)
+            .insert_many(
+                channels
+                    .iter()
+                    .map(|channel| {
+                        doc! {
+                            "_id": {
+                                "channel": channel,
+                                "user": user
+                            },
+                            "last_id": &current_time
+                        }
+                    })
+                    .collect::<Vec<Document>>(),
+                None,
+            )
+            .await
+            .map_err(|_| Error::DatabaseError {
+                operation: "update_many",
+                with: "channel_unreads",
             })
+            .map(|_| ())
     }
 
     async fn add_mention_to_unread<'a>(

crates/quark/src/impl/mongo/channels/message.rs

@@ -14,7 +14,7 @@ impl MongoDb {
     pub async fn delete_bulk_messages(&self, projection: Document) -> Result<()> {
         let mut for_attachments = projection.clone();
         for_attachments.insert(
-            "attachment",
+            "attachments",
             doc! {
                 "$exists": 1_i32
             },
@@ -126,10 +126,7 @@ impl AbstractMessage for MongoDb {
     }
 
     async fn delete_message(&self, id: &str) -> Result<()> {
-        self.delete_bulk_messages(doc! {
-            "_id": id
-        })
-        .await
+        self.delete_one_by_id(COL, id).await.map(|_| ())
     }
 
     async fn delete_messages(&self, channel: &str, ids: Vec<String>) -> Result<()> {
@@ -282,4 +279,70 @@ impl AbstractMessage for MongoDb {
         )
         .await
     }
+
+    /// Add a new reaction to a message
+    async fn add_reaction(&self, id: &str, emoji: &str, user: &str) -> Result<()> {
+        self.col::<Document>(COL)
+            .update_one(
+                doc! {
+                    "_id": id
+                },
+                doc! {
+                    "$addToSet": {
+                        format!("reactions.{emoji}"): user
+                    }
+                },
+                None,
+            )
+            .await
+            .map(|_| ())
+            .map_err(|_| Error::DatabaseError {
+                operation: "update_one",
+                with: "message",
+            })
+    }
+
+    /// Remove a reaction from a message
+    async fn remove_reaction(&self, id: &str, emoji: &str, user: &str) -> Result<()> {
+        self.col::<Document>(COL)
+            .update_one(
+                doc! {
+                    "_id": id
+                },
+                doc! {
+                    "$pull": {
+                        format!("reactions.{emoji}"): user
+                    }
+                },
+                None,
+            )
+            .await
+            .map(|_| ())
+            .map_err(|_| Error::DatabaseError {
+                operation: "update_one",
+                with: "message",
+            })
+    }
+
+    /// Remove reaction from a message
+    async fn clear_reaction(&self, id: &str, emoji: &str) -> Result<()> {
+        self.col::<Document>(COL)
+            .update_one(
+                doc! {
+                    "_id": id
+                },
+                doc! {
+                    "$unset": {
+                        format!("reactions.{emoji}"): 1
+                    }
+                },
+                None,
+            )
+            .await
+            .map(|_| ())
+            .map_err(|_| Error::DatabaseError {
+                operation: "update_one",
+                with: "message",
+            })
+    }
 }

crates/quark/src/impl/mongo/media/attachment.rs

@@ -122,4 +122,27 @@ impl AbstractAttachment for MongoDb {
                 with: "attachment",
             })
     }
+
+    async fn mark_attachments_as_deleted(&self, ids: &[String]) -> Result<()> {
+        self.col::<Document>(COL)
+            .update_many(
+                doc! {
+                    "_id": {
+                        "$in": ids
+                    }
+                },
+                doc! {
+                    "$set": {
+                        "deleted": true
+                    }
+                },
+                None,
+            )
+            .await
+            .map(|_| ())
+            .map_err(|_| Error::DatabaseError {
+                operation: "update",
+                with: "attachments",
+            })
+    }
 }

crates/quark/src/impl/mongo/media/emoji.rs

@@ -0,0 +1,69 @@
+use bson::Document;
+
+use crate::models::Emoji;
+use crate::{AbstractEmoji, Error, Result};
+
+use super::super::MongoDb;
+
+static COL: &str = "emojis";
+
+#[async_trait]
+impl AbstractEmoji for MongoDb {
+    /// Fetch an emoji by its id
+    async fn fetch_emoji(&self, id: &str) -> Result<Emoji> {
+        self.find_one_by_id(COL, id).await
+    }
+
+    /// Fetch emoji by their ids
+    async fn fetch_emoji_by_parent_id(&self, parent_id: &str) -> Result<Vec<Emoji>> {
+        self.find(
+            COL,
+            doc! {
+                "parent.id": parent_id
+            },
+        )
+        .await
+    }
+
+    /// Fetch emoji by their parent ids
+    async fn fetch_emoji_by_parent_ids(&self, parent_ids: &[String]) -> Result<Vec<Emoji>> {
+        self.find(
+            COL,
+            doc! {
+                "parent.id": {
+                    "$in": parent_ids
+                }
+            },
+        )
+        .await
+    }
+
+    /// Insert emoji into database.
+    async fn insert_emoji(&self, emoji: &Emoji) -> Result<()> {
+        self.insert_one(COL, emoji).await.map(|_| ())
+    }
+
+    /// Delete an emoji by its id
+    async fn detach_emoji(&self, emoji: &Emoji) -> Result<()> {
+        self.col::<Document>(COL)
+            .update_one(
+                doc! {
+                    "_id": &emoji.id
+                },
+                doc! {
+                    "$set": {
+                        "parent": {
+                            "type": "Detached"
+                        }
+                    }
+                },
+                None,
+            )
+            .await
+            .map(|_| ())
+            .map_err(|_| Error::DatabaseError {
+                operation: "update_one",
+                with: "emojis",
+            })
+    }
+}

crates/quark/src/impl/mongo/mod.rs

@@ -15,8 +15,9 @@ pub mod admin {
     pub mod migrations;
 }
 
-pub mod autumn {
+pub mod media {
     pub mod attachment;
+    pub mod emoji;
 }
 
 pub mod channels {

crates/quark/src/impl/mongo/servers/server.rs

@@ -18,6 +18,20 @@ impl MongoDb {
         })
         .await?;
 
+        // Delete all emoji.
+        self.col::<Document>("emojis")
+            .delete_many(
+                doc! {
+                    "parent.id": &server.id
+                },
+                None,
+            )
+            .await
+            .map_err(|_| Error::DatabaseError {
+                operation: "delete_many",
+                with: "emojis",
+            })?;
+
         // Delete all channels.
         self.col::<Document>("channels")
             .delete_many(

crates/quark/src/impl/mongo/servers/server_member.rs

@@ -129,6 +129,7 @@ impl IntoDocumentPath for FieldsMember {
             FieldsMember::Avatar => "avatar",
             FieldsMember::Nickname => "nickname",
             FieldsMember::Roles => "roles",
+            FieldsMember::Timeout => "timeout",
         })
     }
 }

crates/quark/src/impl/rocket.rs

@@ -0,0 +1,73 @@
+use okapi::openapi3::{SecurityScheme, SecuritySchemeData};
+use rauth::models::Session;
+use rocket_okapi::gen::OpenApiGenerator;
+use rocket_okapi::request::{OpenApiFromRequest, RequestHeaderInput};
+
+use rocket::http::Status;
+use rocket::request::{self, FromRequest, Outcome, Request};
+
+use crate::models::user::UserHint;
+use crate::models::User;
+use crate::Database;
+
+#[rocket::async_trait]
+impl<'r> FromRequest<'r> for User {
+    type Error = rauth::Error;
+
+    async fn from_request(request: &'r Request<'_>) -> request::Outcome<Self, Self::Error> {
+        let user: &Option<User> = request
+            .local_cache_async(async {
+                let db = request.rocket().state::<Database>().expect("`Database`");
+
+                let header_bot_token = request
+                    .headers()
+                    .get("x-bot-token")
+                    .next()
+                    .map(|x| x.to_string());
+
+                if let Some(bot_token) = header_bot_token {
+                    if let Ok(user) = User::from_token(db, &bot_token, UserHint::Bot).await {
+                        return Some(user);
+                    }
+                } else if let Outcome::Success(session) = request.guard::<Session>().await {
+                    // This uses a guard so can't really easily be refactored into from_token at this stage.
+                    if let Ok(user) = db.fetch_user(&session.user_id).await {
+                        return Some(user);
+                    }
+                }
+
+                None
+            })
+            .await;
+
+        if let Some(user) = user {
+            Outcome::Success(user.clone())
+        } else {
+            Outcome::Failure((Status::Unauthorized, rauth::Error::InvalidSession))
+        }
+    }
+}
+
+impl<'r> OpenApiFromRequest<'r> for User {
+    fn from_request_input(
+        _gen: &mut OpenApiGenerator,
+        _name: String,
+        _required: bool,
+    ) -> rocket_okapi::Result<RequestHeaderInput> {
+        let mut requirements = schemars::Map::new();
+        requirements.insert("Session Token".to_owned(), vec![]);
+
+        Ok(RequestHeaderInput::Security(
+            "Session Token".to_owned(),
+            SecurityScheme {
+                data: SecuritySchemeData::ApiKey {
+                    name: "x-session-token".to_owned(),
+                    location: "header".to_owned(),
+                },
+                description: Some("Used to authenticate as a user.".to_owned()),
+                extensions: schemars::Map::new(),
+            },
+            requirements,
+        ))
+    }
+}

crates/quark/src/lib.rs

@@ -15,9 +15,10 @@ extern crate lazy_static;
 #[macro_use]
 extern crate bitfield;
 #[macro_use]
-pub extern crate bson;
+extern crate bson;
 
 pub use iso8601_timestamp::Timestamp;
+pub use rauth;
 pub use redis_kiss;
 
 pub mod events;
@@ -26,11 +27,14 @@ pub mod models;
 pub mod presence;
 pub mod tasks;
 pub mod types;
+pub mod util;
+
+#[cfg(feature = "rocket_impl")]
+pub mod web;
 
 mod database;
 mod permissions;
 mod traits;
-mod util;
 
 pub use database::*;
 pub use traits::*;
@@ -38,35 +42,20 @@ pub use traits::*;
 pub use permissions::defn::*;
 pub use permissions::{get_relationship, perms};
 
-pub use util::r#ref::Ref;
-pub use util::result::{EmptyResponse, Error, Result};
-pub use util::variables;
+pub use util::{
+    r#ref::Ref,
+    result::{Error, Result},
+    variables,
+};
 
 #[cfg(feature = "rocket_impl")]
-use rocket::State;
+pub use web::{Db, EmptyResponse};
 
-#[cfg(feature = "rocket_impl")]
-pub type Db = State<Database>;
-
-/// Configure logging and common Rust variables
-pub fn setup_logging() -> sentry::ClientInitGuard {
-    dotenv::dotenv().ok();
-
-    if std::env::var("RUST_LOG").is_err() {
-        std::env::set_var("RUST_LOG", "info");
-    }
-
-    if std::env::var("ROCKET_ADDRESS").is_err() {
-        std::env::set_var("ROCKET_ADDRESS", "0.0.0.0");
-    }
-
-    pretty_env_logger::init();
-
-    sentry::init((
-        "https://62fd0e02c5354905b4e286757f4beb16@sentry.insert.moe/4",
-        sentry::ClientOptions {
-            release: sentry::release_name!(),
-            ..Default::default()
-        },
-    ))
+/// Resolve asset
+macro_rules! asset {
+    ($path:literal) => {
+        concat!(env!("CARGO_MANIFEST_DIR"), "/assets/", $path)
+    };
 }
+
+pub(crate) use asset;

crates/quark/src/models/channels/message.rs

@@ -1,3 +1,6 @@
+use crate::util::regex::RE_COLOUR;
+use std::collections::{HashMap, HashSet};
+
 use serde::{Deserialize, Serialize};
 use validator::Validate;
 
@@ -11,6 +14,11 @@ use crate::{
     types::january::Embed,
 };
 
+/// Utility function to check if a boolean value is false
+pub fn if_false(t: &bool) -> bool {
+    !t
+}
+
 /// # Reply
 ///
 /// Representation of a message reply before it is sent.
@@ -33,7 +41,7 @@ pub struct SendableEmbed {
     #[validate(length(min = 1, max = 2000))]
     pub description: Option<String>,
     pub media: Option<String>,
-    #[validate(length(min = 1, max = 64))]
+    #[validate(length(min = 1, max = 128), regex = "RE_COLOUR")]
     pub colour: Option<String>,
 }
 
@@ -61,6 +69,8 @@ pub enum SystemMessage {
     ChannelDescriptionChanged { by: String },
     #[serde(rename = "channel_icon_changed")]
     ChannelIconChanged { by: String },
+    #[serde(rename = "channel_ownership_changed")]
+    ChannelOwnershipChanged { from: String, to: String },
 }
 
 /// Name and / or avatar override information
@@ -74,6 +84,25 @@ pub struct Masquerade {
     #[serde(skip_serializing_if = "Option::is_none")]
     #[validate(length(min = 1, max = 128))]
     pub avatar: Option<String>,
+    /// Replace the display role colour shown on this message
+    ///
+    /// Must have `ManageRole` permission to use
+    ///
+    /// This can be any valid CSS colour
+    #[serde(skip_serializing_if = "Option::is_none")]
+    #[validate(length(min = 1, max = 32))]
+    pub colour: Option<String>,
+}
+
+/// Information to guide interactions on this message
+#[derive(Serialize, Deserialize, JsonSchema, Debug, Clone, Validate, Default)]
+pub struct Interactions {
+    /// Reactions which should always appear and be distinct
+    #[serde(skip_serializing_if = "Option::is_none", default)]
+    pub reactions: Option<HashSet<String>>,
+    /// Whether reactions should be restricted to the given list
+    #[serde(skip_serializing_if = "if_false", default)]
+    pub restrict_reactions: bool,
 }
 
 /// Representation of a Message on Revolt
@@ -115,6 +144,12 @@ pub struct Message {
     /// Array of message ids this message is replying to
     #[serde(skip_serializing_if = "Option::is_none")]
     pub replies: Option<Vec<String>>,
+    /// Hashmap of emoji IDs to array of user IDs
+    #[serde(skip_serializing_if = "HashMap::is_empty", default)]
+    pub reactions: HashMap<String, HashSet<String>>,
+    /// Information about how this message should be interacted with
+    #[serde(skip_serializing_if = "Interactions::is_default", default)]
+    pub interactions: Interactions,
     /// Name and / or avatar overrides for this message
     #[serde(skip_serializing_if = "Option::is_none")]
     pub masquerade: Option<Masquerade>,